Desarrollo del pensamiento:@0.554983:0.090773:0.884748:0.090773:0.884748:0.065849:0.554983:0.065849:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 75:@0.942817:0.964671:0.965053:0.964671:0.965053:0.945025:0.942817:0.945025:0.000000:0.000000 Estrategias de cálculo mental :@0.111793:0.562677:0.389917:0.562677:0.389917:0.542704:0.111793:0.542704:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Aproximación de decimales:@0.111793:0.587596:0.351298:0.587596:0.351298:0.569159:0.111793:0.569159:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 ¿Cuál es el resultado aproximado de la :@0.111793:0.612822:0.471202:0.612822:0.471202:0.595728:0.111793:0.595728:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 siguiente suma?:@0.111793:0.630927:0.241494:0.630927:0.241494:0.613833:0.111793:0.613833:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 3,02 + 1,96 + 1,47 + 1,53 =:@0.111793:0.656154:0.322250:0.656154:0.322250:0.639060:0.111793:0.639060:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Para aplicar la estrategia, es importante :@0.111793:0.681380:0.471168:0.681380:0.471168:0.664286:0.111793:0.664286:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 tomar en cuenta reglas de redondeo.:@0.111793:0.699486:0.408487:0.699486:0.408487:0.682391:0.111793:0.682391:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Redondear cada sumando:@0.111793:0.749954:0.338654:0.749954:0.338654:0.731517:0.111793:0.731517:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 3,02 :@0.111793:0.775180:0.149124:0.775180:0.149124:0.758086:0.111793:0.758086:0.000000:0.000000:0.000000:0.000000:0.000000 son casi 3 :@0.172102:0.775180:0.253880:0.775180:0.253880:0.758086:0.172102:0.758086:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 1,96 :@0.292719:0.775180:0.330050:0.775180:0.330050:0.758086:0.292719:0.758086:0.000000:0.000000:0.000000:0.000000:0.000000 son casi 2:@0.353027:0.775180:0.430403:0.775180:0.430403:0.758086:0.353027:0.758086:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 1,47 :@0.111793:0.800407:0.149124:0.800407:0.149124:0.783312:0.111793:0.783312:0.000000:0.000000:0.000000:0.000000:0.000000 son casi 1,5 :@0.172102:0.800407:0.267188:0.800407:0.267188:0.783312:0.172102:0.783312:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 1,53 son casi 1,5:@0.292719:0.800407:0.443712:0.800407:0.443712:0.783312:0.292719:0.783312:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Se suman las cantidades redondeadas: :@0.111793:0.825633:0.417437:0.825633:0.417437:0.808539:0.111793:0.808539:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 3 + 2 + 1,5 + 1,5 = 8:@0.111793:0.850860:0.270605:0.850860:0.270605:0.833765:0.111793:0.833765:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Razonamiento numérico:@0.096359:0.144876:0.370108:0.144876:0.370108:0.121509:0.096359:0.121509:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Luis tuvo su primer hijo a los 18 años. Si :@0.096359:0.169166:0.490156:0.169166:0.490156:0.152072:0.096359:0.152072:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 actualmente su edad es el doble de la de su hijo, :@0.096359:0.187271:0.490172:0.187271:0.490172:0.170177:0.096359:0.170177:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 ¿cuál es la suma de sus edades actualmente?:@0.096359:0.205376:0.455690:0.205376:0.455690:0.188282:0.096359:0.188282:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 a):@0.096359:0.237739:0.111758:0.237739:0.111758:0.219604:0.096359:0.219604:0.000000:0.000000 30 54 60 65 50:@0.111758:0.237739:0.454994:0.237739:0.454994:0.220645:0.111758:0.220645:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 b):@0.175404:0.237739:0.192491:0.237739:0.192491:0.219604:0.175404:0.219604:0.000000:0.000000 c):@0.256137:0.237739:0.270852:0.237739:0.270852:0.219604:0.256137:0.219604:0.000000:0.000000 d):@0.334498:0.237739:0.351545:0.237739:0.351545:0.219604:0.334498:0.219604:0.000000:0.000000 e):@0.415191:0.237739:0.430971:0.237739:0.430971:0.219604:0.415191:0.219604:0.000000:0.000000 Razonamiento abstracto:@0.096359:0.345648:0.370158:0.345648:0.370158:0.322281:0.096359:0.322281:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Toma :@0.096359:0.369939:0.146516:0.369939:0.146516:0.351502:0.096359:0.351502:0.000000:0.000000:0.000000:0.000000:0.000000 10 palillos y :@0.146114:0.369939:0.237964:0.369939:0.237964:0.352845:0.146114:0.352845:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 forma:@0.237562:0.369939:0.287899:0.369939:0.287899:0.351502:0.237562:0.351502:0.000000:0.000000:0.000000:0.000000:0.000000 la siguiente figura.:@0.287497:0.369939:0.429564:0.369939:0.429564:0.352845:0.287497:0.352845:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Mueve:@0.096359:0.395166:0.153451:0.395166:0.153451:0.376729:0.096359:0.376729:0.000000:0.000000:0.000000:0.000000:0.000000 solo 2 palillos y:@0.153049:0.395166:0.271596:0.395166:0.271596:0.378072:0.153049:0.378072:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 haz :@0.271194:0.395166:0.308806:0.395166:0.308806:0.376729:0.271194:0.376729:0.000000:0.000000:0.000000:0.000000:0.000000 que la silla quede hacia :@0.308545:0.395166:0.490134:0.395166:0.490134:0.378072:0.308545:0.378072:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 la derecha.:@0.096359:0.413271:0.178640:0.413271:0.178640:0.396177:0.096359:0.396177:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Aplica la estrategia:@0.526118:0.557856:0.690799:0.557856:0.690799:0.539419:0.526118:0.539419:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Encuentra:@0.526118:0.583082:0.611234:0.583082:0.611234:0.564645:0.526118:0.564645:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 el valor aproximado de las :@0.610832:0.583082:0.886643:0.583082:0.886643:0.565988:0.610832:0.565988:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 siguientes operaciones::@0.526118:0.601187:0.713877:0.601187:0.713877:0.584093:0.526118:0.584093:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 a):@0.549860:0.626414:0.565259:0.626414:0.565259:0.608278:0.549860:0.608278:0.000000:0.000000 24,01 + 5,89 + 10,12 = :@0.565259:0.626414:0.776379:0.626414:0.776379:0.609319:0.565259:0.609319:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 b):@0.549860:0.680729:0.566947:0.680729:0.566947:0.662594:0.549860:0.662594:0.000000:0.000000 5,02 + 7,95 + 10,56 = :@0.566947:0.680729:0.784179:0.680729:0.784179:0.663635:0.566947:0.663635:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 c):@0.549860:0.735045:0.564575:0.735045:0.564575:0.716909:0.549860:0.716909:0.000000:0.000000 13,89 + 5,98 + 5,05 = :@0.564575:0.735045:0.775374:0.735045:0.775374:0.717950:0.564575:0.717950:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 d):@0.549860:0.789360:0.566907:0.789360:0.566907:0.771225:0.549860:0.771225:0.000000:0.000000 6,48 + 5,89 + 10,52 = :@0.566907:0.789360:0.770971:0.789360:0.770971:0.772266:0.566907:0.772266:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 e):@0.549860:0.843675:0.565640:0.843675:0.565640:0.825540:0.549860:0.825540:0.000000:0.000000 54,01 + 8,9 + 7,03 = :@0.565640:0.843675:0.769966:0.843675:0.769966:0.826581:0.565640:0.826581:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 f):@0.549860:0.897991:0.563510:0.897991:0.563510:0.879855:0.549860:0.879855:0.000000:0.000000 12,98 + 10,48 + 5,53 = :@0.563510:0.897991:0.771976:0.897991:0.771976:0.880897:0.563510:0.880897:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 A&A Matemática, (2020).:@0.914390:0.286160:0.914390:0.212858:0.903002:0.212858:0.903002:0.286160:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 A&A Matemática, (2020).:@0.914390:0.477313:0.914390:0.404010:0.903002:0.404010:0.903002:0.477313:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 24 + 6 + 10 = 40:@0.564727:0.656203:0.710607:0.656203:0.710607:0.641958:0.564727:0.641958:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 5 + 8 + 10,5 = 23,5:@0.564727:0.705011:0.720944:0.705011:0.720944:0.690766:0.564727:0.690766:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 14 + 6 + 5 = 25:@0.564727:0.760986:0.709770:0.760986:0.709770:0.746741:0.564727:0.746741:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 6,5 + 6 + 10,5 = 23:@0.564727:0.819061:0.709937:0.819061:0.709937:0.804816:0.564727:0.804816:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 54 + 9 + 7 = 70:@0.564727:0.872522:0.709770:0.872522:0.709770:0.858276:0.564727:0.858276:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 13 + 10,5 + 5,5 = 29:@0.564727:0.927076:0.710775:0.927076:0.710775:0.912831:0.564727:0.912831:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 ©:@0.079553:0.731952:0.079553:0.720342:0.061505:0.720342:0.061505:0.731952:0.000000:0.000000 maya:@0.080774:0.720340:0.080774:0.684191:0.055786:0.684191:0.055786:0.720340:0.000000:0.000000:0.000000:0.000000 ®EDUCACIÓN – Libro resuelto solo para fines didácticos – Prohibida su reproducción :@0.079553:0.684191:0.079553:0.268044:0.061505:0.268044:0.061505:0.684191:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000