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427 lines
16 KiB
TypeScript
427 lines
16 KiB
TypeScript
import React, { useState, useEffect } from 'react';
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import { motion, AnimatePresence } from 'framer-motion';
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import { Calculator, Check, X, Trophy, RotateCcw, ArrowRight, Lightbulb, Target } from 'lucide-react';
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interface EquilibrioFinderProps {
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ejercicioId: string;
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onComplete?: (puntuacion: number) => void;
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}
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interface Problema {
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id: number;
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demanda: { a: number; b: number };
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oferta: { c: number; d: number };
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producto: string;
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dificultad: 'facil' | 'medio' | 'dificil';
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}
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const problemas: Problema[] = [
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{
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id: 1,
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demanda: { a: 100, b: -2 },
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oferta: { c: 10, d: 3 },
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producto: 'Manzanas',
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dificultad: 'facil'
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},
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{
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id: 2,
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demanda: { a: 80, b: -1.5 },
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oferta: { c: 20, d: 2 },
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producto: 'Camisetas',
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dificultad: 'facil'
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},
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{
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id: 3,
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demanda: { a: 120, b: -0.8 },
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oferta: { c: 30, d: 1.2 },
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producto: 'Entradas de cine',
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dificultad: 'medio'
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},
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{
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id: 4,
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demanda: { a: 200, b: -4 },
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oferta: { c: 50, d: 2.5 },
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producto: 'Bicicletas',
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dificultad: 'medio'
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},
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{
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id: 5,
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demanda: { a: 150, b: -1.2 },
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oferta: { c: 25, d: 0.8 },
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producto: 'Consultas médicas',
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dificultad: 'dificil'
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}
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];
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export const EquilibrioFinder: React.FC<EquilibrioFinderProps> = ({ onComplete, ejercicioId: _ejercicioId }) => {
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const [problemaActual, setProblemaActual] = useState(0);
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const [respuestaPrecio, setRespuestaPrecio] = useState('');
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const [respuestaCantidad, setRespuestaCantidad] = useState('');
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const [mostrarResultado, setMostrarResultado] = useState(false);
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const [esCorrecto, setEsCorrecto] = useState(false);
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const [score, setScore] = useState(0);
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const [respuestasCorrectas, setRespuestasCorrectas] = useState(0);
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const [mostrarAyuda, setMostrarAyuda] = useState(false);
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const [completado, setCompletado] = useState(false);
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const [_startTime] = useState(Date.now());
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const problema = problemas[problemaActual];
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const calcularEquilibrio = (problema: Problema) => {
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const { a, b } = problema.demanda;
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const { c, d } = problema.oferta;
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const Q = (c - a) / (b - d);
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const P = a + b * Q;
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return { Q: Math.round(Q * 10) / 10, P: Math.round(P * 10) / 10 };
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};
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const equilibrio = calcularEquilibrio(problema);
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const handleVerificar = () => {
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const precioIngresado = parseFloat(respuestaPrecio);
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const cantidadIngresada = parseFloat(respuestaCantidad);
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if (isNaN(precioIngresado) || isNaN(cantidadIngresada)) {
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return;
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}
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const margenError = 0.5;
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const precioCorrecto = Math.abs(precioIngresado - equilibrio.P) <= margenError;
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const cantidadCorrecta = Math.abs(cantidadIngresada - equilibrio.Q) <= margenError;
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const correcto = precioCorrecto && cantidadCorrecta;
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setEsCorrecto(correcto);
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setMostrarResultado(true);
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if (correcto) {
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setScore(prev => prev + Math.round(100 / problemas.length));
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setRespuestasCorrectas(prev => prev + 1);
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}
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};
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const handleSiguiente = () => {
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if (problemaActual < problemas.length - 1) {
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setProblemaActual(prev => prev + 1);
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setRespuestaPrecio('');
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setRespuestaCantidad('');
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setMostrarResultado(false);
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setMostrarAyuda(false);
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} else {
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setCompletado(true);
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if (onComplete) {
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onComplete(score);
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}
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}
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};
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const handleReiniciar = () => {
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setProblemaActual(0);
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setRespuestaPrecio('');
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setRespuestaCantidad('');
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setMostrarResultado(false);
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setScore(0);
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setRespuestasCorrectas(0);
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setMostrarAyuda(false);
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setCompletado(false);
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};
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const getDificultadColor = (dificultad: string) => {
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switch (dificultad) {
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case 'facil': return 'bg-green-100 text-green-700';
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case 'medio': return 'bg-yellow-100 text-yellow-700';
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case 'dificil': return 'bg-red-100 text-red-700';
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default: return 'bg-gray-100 text-gray-700';
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}
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};
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const generarPuntosCurva = (tipo: 'demanda' | 'oferta') => {
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const puntos = [];
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for (let Q = 0; Q <= 50; Q += 5) {
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if (tipo === 'demanda') {
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const P = problema.demanda.a + problema.demanda.b * Q;
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if (P >= 0) puntos.push({ Q, P });
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} else {
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const P = problema.oferta.c + problema.oferta.d * Q;
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if (P >= 0) puntos.push({ Q, P });
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}
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}
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return puntos;
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};
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const scaleX = (Q: number) => 50 + (Q / 50) * 300;
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const scaleY = (P: number) => 250 - (P / 150) * 200;
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const puntosDemanda = generarPuntosCurva('demanda');
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const puntosOferta = generarPuntosCurva('oferta');
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const demandaPath = puntosDemanda.map((p, i) =>
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`${i === 0 ? 'M' : 'L'} ${scaleX(p.Q)} ${scaleY(p.P)}`
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).join(' ');
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const ofertaPath = puntosOferta.map((p, i) =>
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`${i === 0 ? 'M' : 'L'} ${scaleX(p.Q)} ${scaleY(p.P)}`
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).join(' ');
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if (completado) {
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const porcentaje = Math.round((respuestasCorrectas / problemas.length) * 100);
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return (
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<motion.div
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initial={{ opacity: 0, scale: 0.95 }}
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animate={{ opacity: 1, scale: 1 }}
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className="w-full max-w-2xl mx-auto p-8 bg-white rounded-xl shadow-lg text-center"
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>
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<Trophy className="w-16 h-16 text-yellow-500 mx-auto mb-4" />
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<h2 className="text-3xl font-bold text-gray-800 mb-2">¡Ejercicio Completado!</h2>
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<p className="text-gray-600 mb-6">Has encontrado los puntos de equilibrio</p>
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<div className="bg-gray-50 rounded-lg p-6 mb-6">
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<div className="text-5xl font-bold text-purple-600 mb-2">{porcentaje}%</div>
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<p className="text-gray-600">
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{respuestasCorrectas} de {problemas.length} problemas resueltos correctamente
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</p>
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</div>
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<button
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onClick={handleReiniciar}
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className="inline-flex items-center gap-2 px-6 py-3 bg-purple-600 text-white rounded-lg font-medium hover:bg-purple-700 transition-colors"
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>
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<RotateCcw className="w-5 h-5" />
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Intentar de nuevo
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</button>
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</motion.div>
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);
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}
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return (
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<div className="w-full max-w-5xl mx-auto p-6 bg-white rounded-xl shadow-lg">
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<div className="mb-6">
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<div className="flex items-center justify-between mb-4">
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<div className="flex items-center gap-3">
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<Target className="w-8 h-8 text-purple-600" />
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<h2 className="text-2xl font-bold text-gray-800">Buscador de Equilibrio</h2>
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</div>
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<div className="flex items-center gap-4">
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<span className={`px-3 py-1 rounded-full text-xs font-medium ${getDificultadColor(problema.dificultad)}`}>
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{problema.dificultad.toUpperCase()}
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</span>
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<span className="text-sm text-gray-500">
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{problemaActual + 1} de {problemas.length}
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</span>
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<div className="w-32 h-2 bg-gray-200 rounded-full overflow-hidden">
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<motion.div
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className="h-full bg-purple-600"
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initial={{ width: 0 }}
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animate={{ width: `${((problemaActual + 1) / problemas.length) * 100}%` }}
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/>
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</div>
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</div>
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</div>
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<p className="text-gray-600">
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Calcula el precio y cantidad de equilibrio donde Qd = Qo.
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</p>
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</div>
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<div className="grid md:grid-cols-2 gap-6">
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<div className="bg-gray-50 rounded-lg p-4">
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<h3 className="font-semibold text-gray-700 mb-4 text-center">Gráfico de Mercado: {problema.producto}</h3>
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<svg width="400" height="280" className="mx-auto">
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{/* Grid */}
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{Array.from({ length: 6 }).map((_, i) => (
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<g key={i}>
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<line x1={50 + i * 60} y1="30" x2={50 + i * 60} y2="250" stroke="#e5e7eb" strokeWidth="1" />
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<line x1="50" y1={30 + i * 44} x2="350" y2={30 + i * 44} stroke="#e5e7eb" strokeWidth="1" />
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</g>
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))}
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{/* Ejes */}
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<line x1="50" y1="250" x2="350" y2="250" stroke="#374151" strokeWidth="2" />
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<line x1="50" y1="30" x2="50" y2="250" stroke="#374151" strokeWidth="2" />
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{/* Labels */}
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<text x="200" y="275" textAnchor="middle" className="text-sm fill-gray-600">Cantidad (Q)</text>
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<text x="20" y="140" textAnchor="middle" transform="rotate(-90, 20, 140)" className="text-sm fill-gray-600">Precio (P)</text>
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{/* Curva de Demanda */}
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{demandaPath && (
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<g>
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<path d={demandaPath} fill="none" stroke="#3b82f6" strokeWidth="3" />
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<text x="330" y={scaleY(20)} className="text-sm fill-blue-600 font-medium">D</text>
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</g>
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)}
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{/* Curva de Oferta */}
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{ofertaPath && (
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<g>
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<path d={ofertaPath} fill="none" stroke="#22c55e" strokeWidth="3" />
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<text x="330" y={scaleY(130)} className="text-sm fill-green-600 font-medium">S</text>
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</g>
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)}
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{/* Punto de equilibrio (mostrar si ya respondió correctamente) */}
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{mostrarResultado && esCorrecto && (
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<motion.g
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initial={{ scale: 0 }}
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animate={{ scale: 1 }}
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transition={{ type: "spring", stiffness: 300 }}
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>
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<circle
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cx={scaleX(equilibrio.Q)}
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cy={scaleY(equilibrio.P)}
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r="8"
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fill="#8b5cf6"
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stroke="white"
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strokeWidth="2"
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/>
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<text x={scaleX(equilibrio.Q) + 12} y={scaleY(equilibrio.P)} className="text-xs fill-purple-600 font-bold">
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E
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</text>
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<line x1="50" y1={scaleY(equilibrio.P)} x2={scaleX(equilibrio.Q)} y2={scaleY(equilibrio.P)} stroke="#8b5cf6" strokeWidth="1" strokeDasharray="3,3" />
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<line x1={scaleX(equilibrio.Q)} y1={scaleY(equilibrio.P)} x2={scaleX(equilibrio.Q)} y2="250" stroke="#8b5cf6" strokeWidth="1" strokeDasharray="3,3" />
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</motion.g>
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)}
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</svg>
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<div className="mt-4 p-3 bg-white rounded-lg">
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<h4 className="font-medium text-gray-700 mb-2">Ecuaciones:</h4>
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<div className="space-y-2 text-sm">
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<div className="flex items-center gap-2">
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<span className="text-blue-600 font-medium">Qd =</span>
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<span className="text-gray-700">{problema.demanda.a} {problema.demanda.b > 0 ? '+' : ''}{problema.demanda.b}P</span>
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</div>
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<div className="flex items-center gap-2">
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<span className="text-green-600 font-medium">Qo =</span>
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<span className="text-gray-700">{problema.oferta.c > 0 ? '' : '-'}{problema.oferta.c} {problema.oferta.d > 0 ? '+' : ''}{problema.oferta.d}P</span>
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</div>
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</div>
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</div>
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</div>
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<div className="space-y-4">
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<div className="bg-gradient-to-br from-purple-50 to-blue-50 rounded-lg p-6">
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<h3 className="font-semibold text-gray-800 mb-4 flex items-center gap-2">
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<Calculator className="w-5 h-5 text-purple-600" />
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Encuentra el Equilibrio
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</h3>
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<div className="space-y-4">
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<div>
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<label className="block text-sm font-medium text-gray-700 mb-2">
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Precio de Equilibrio (P*)
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</label>
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<input
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type="number"
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value={respuestaPrecio}
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onChange={(e) => setRespuestaPrecio(e.target.value)}
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disabled={mostrarResultado}
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placeholder="Ej: 45.5"
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className="w-full px-4 py-3 border-2 border-gray-200 rounded-lg focus:border-purple-500 focus:outline-none disabled:bg-gray-100"
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step="0.1"
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/>
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</div>
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<div>
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<label className="block text-sm font-medium text-gray-700 mb-2">
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Cantidad de Equilibrio (Q*)
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</label>
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<input
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type="number"
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value={respuestaCantidad}
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onChange={(e) => setRespuestaCantidad(e.target.value)}
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disabled={mostrarResultado}
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placeholder="Ej: 25.3"
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className="w-full px-4 py-3 border-2 border-gray-200 rounded-lg focus:border-purple-500 focus:outline-none disabled:bg-gray-100"
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step="0.1"
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/>
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</div>
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</div>
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<button
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onClick={() => setMostrarAyuda(!mostrarAyuda)}
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className="mt-4 flex items-center gap-2 text-purple-600 hover:text-purple-700 text-sm"
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>
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<Lightbulb className="w-4 h-4" />
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{mostrarAyuda ? 'Ocultar ayuda' : 'Mostrar ayuda'}
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</button>
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<AnimatePresence>
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{mostrarAyuda && (
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<motion.div
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initial={{ opacity: 0, height: 0 }}
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animate={{ opacity: 1, height: 'auto' }}
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exit={{ opacity: 0, height: 0 }}
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className="mt-3 p-3 bg-yellow-50 border border-yellow-200 rounded-lg"
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>
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<p className="text-sm text-yellow-800">
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<strong>Tip:</strong> En equilibrio, Qd = Qo. Iguala las dos ecuaciones y despeja P.
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Luego sustituye P en cualquier ecuación para encontrar Q.
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</p>
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</motion.div>
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)}
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</AnimatePresence>
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</div>
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<AnimatePresence>
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{mostrarResultado && (
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<motion.div
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initial={{ opacity: 0, y: 20 }}
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animate={{ opacity: 1, y: 0 }}
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className={`p-4 rounded-lg border ${esCorrecto ? 'bg-green-50 border-green-200' : 'bg-red-50 border-red-200'}`}
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>
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<div className="flex items-start gap-3">
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{esCorrecto ? (
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<Check className="w-6 h-6 text-green-600 flex-shrink-0" />
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) : (
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<X className="w-6 h-6 text-red-600 flex-shrink-0" />
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)}
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<div>
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<p className={`font-semibold ${esCorrecto ? 'text-green-800' : 'text-red-800'}`}>
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{esCorrecto ? '¡Correcto!' : 'Incorrecto'}
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</p>
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{!esCorrecto && (
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<div className="mt-2 text-sm text-gray-700">
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<p>La respuesta correcta es:</p>
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<p className="font-medium">P* = ${equilibrio.P}</p>
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<p className="font-medium">Q* = {equilibrio.Q} unidades</p>
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</div>
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)}
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</div>
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</div>
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</motion.div>
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)}
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</AnimatePresence>
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<div className="flex gap-3">
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{!mostrarResultado ? (
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<button
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onClick={handleVerificar}
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disabled={!respuestaPrecio || !respuestaCantidad}
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className="flex-1 py-3 px-4 bg-purple-600 text-white rounded-lg font-medium hover:bg-purple-700 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
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>
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Verificar Respuesta
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</button>
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) : (
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<button
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onClick={handleSiguiente}
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className="flex-1 py-3 px-4 bg-green-600 text-white rounded-lg font-medium hover:bg-green-700 transition-colors flex items-center justify-center gap-2"
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>
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{problemaActual < problemas.length - 1 ? (
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<>
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Siguiente
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<ArrowRight className="w-5 h-5" />
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</>
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) : (
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'Finalizar'
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)}
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</button>
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)}
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</div>
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</div>
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</div>
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</div>
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);
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};
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export default EquilibrioFinder;
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