61:@0.921900:0.510692:0.940807:0.510692:0.940807:0.494068:0.921900:0.494068:0.000000:0.000000 2. :@0.120102:0.102921:0.142250:0.102921:0.142250:0.084174:0.120102:0.084174:0.000000:0.000000:0.000000 Con cada conjunto de números relacionados, :@0.153336:0.102921:0.551588:0.102921:0.551588:0.083553:0.153336:0.083553:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 escribe:@0.551588:0.102921:0.616484:0.102921:0.616484:0.083275:0.551588:0.083275:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 dos multiplicaciones y dos :@0.616484:0.102921:0.855325:0.102921:0.855325:0.083553:0.616484:0.083553:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 divisiones. :@0.153336:0.122535:0.247066:0.122535:0.247066:0.103167:0.153336:0.103167:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Observa:@0.247066:0.122535:0.322549:0.122535:0.322549:0.102889:0.247066:0.102889:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 el ejemplo. :@0.322549:0.122535:0.432048:0.122535:0.432048:0.103167:0.322549:0.103167:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 a) :@0.153336:0.149276:0.191086:0.149276:0.191086:0.129302:0.153336:0.129302:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.240712:0.149276:0.245220:0.149276:0.245220:0.129302:0.240712:0.129302:0.000000 :@0.301019:0.149276:0.305528:0.149276:0.305528:0.129302:0.301019:0.129302:0.000000 :@0.361330:0.149276:0.365838:0.149276:0.365838:0.129302:0.361330:0.129302:0.000000 :@0.421638:0.149276:0.426146:0.149276:0.426146:0.129302:0.421638:0.129302:0.000000 c):@0.481946:0.149276:0.529836:0.149276:0.529836:0.129302:0.481946:0.129302:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.529836:0.149276:0.534605:0.149276:0.534605:0.129907:0.529836:0.129907:0.000000 3. :@0.120647:0.391278:0.142795:0.391278:0.142795:0.372531:0.120647:0.372531:0.000000:0.000000:0.000000 Une:@0.153880:0.391278:0.190968:0.391278:0.190968:0.371632:0.153880:0.371632:0.000000:0.000000:0.000000 las operaciones que se corresponden.:@0.190968:0.391278:0.522649:0.391278:0.522649:0.371910:0.190968:0.371910:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 4. :@0.120080:0.671855:0.142229:0.671855:0.142229:0.653108:0.120080:0.653108:0.000000:0.000000:0.000000 Utiliza:@0.153314:0.671855:0.211156:0.671855:0.211156:0.652209:0.153314:0.652209:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 la estrategia de hacer “el doble” y “la mitad” para resolver las operaciones :@0.211374:0.671855:0.856690:0.671855:0.856690:0.652486:0.211374:0.652486:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 mentalmente. :@0.153314:0.691469:0.280191:0.691469:0.280191:0.672100:0.153314:0.672100:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 Observa:@0.280191:0.691469:0.355672:0.691469:0.355672:0.671822:0.280191:0.671822:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 el ejemplo.:@0.355672:0.691469:0.455631:0.691469:0.455631:0.672100:0.355672:0.672100:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 a) :@0.153314:0.720563:0.175440:0.720563:0.175440:0.700589:0.153314:0.700589:0.000000:0.000000:0.000000 120 × 4:@0.186547:0.720563:0.251577:0.720563:0.251577:0.701194:0.186547:0.701194:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.153314:0.740177:0.157822:0.740177:0.157822:0.720203:0.153314:0.720203:0.000000 :@0.186547:0.740177:0.243222:0.740172:0.243222:0.720198:0.186547:0.720203:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.153344:0.759786:0.158113:0.759786:0.158113:0.740417:0.153344:0.740417:0.000000 60 × 8 = 480:@0.186577:0.759786:0.307509:0.759786:0.307509:0.740417:0.186577:0.740417:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 b) :@0.153344:0.790089:0.177017:0.790089:0.177017:0.770116:0.153344:0.770116:0.000000:0.000000:0.000000 220 × 3:@0.186577:0.790089:0.251607:0.790089:0.251607:0.770720:0.186577:0.770720:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.153344:0.809703:0.157852:0.809703:0.157852:0.789730:0.153344:0.789730:0.000000 :@0.186577:0.809703:0.243222:0.809706:0.243222:0.789732:0.186577:0.789730:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.153344:0.832884:0.158113:0.832884:0.158113:0.813515:0.153344:0.813515:0.000000 _______:@0.186577:0.832884:0.256267:0.832884:0.256267:0.813515:0.186577:0.813515:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 6 = :@0.255178:0.832884:0.295686:0.832884:0.295686:0.813515:0.255178:0.813515:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 _______:@0.295686:0.832884:0.365376:0.832884:0.365376:0.813515:0.295686:0.813515:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 c) :@0.153344:0.863187:0.174186:0.863187:0.174186:0.843214:0.153344:0.843214:0.000000:0.000000:0.000000 80 × 6:@0.186577:0.863187:0.240979:0.863187:0.240979:0.843819:0.186577:0.843819:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.153344:0.882801:0.157852:0.882801:0.157852:0.862828:0.153344:0.862828:0.000000 :@0.186577:0.882801:0.234206:0.882804:0.234206:0.862830:0.186577:0.862828:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.153344:0.905982:0.158113:0.905982:0.158113:0.886613:0.153344:0.886613:0.000000 40 :@0.186577:0.905982:0.212602:0.905982:0.212602:0.886613:0.186577:0.886613:0.000000:0.000000:0.000000 _______________:@0.212602:0.905982:0.360693:0.905982:0.360693:0.886613:0.212602:0.886613:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 d) :@0.411523:0.720565:0.435240:0.720565:0.435240:0.700592:0.411523:0.700592:0.000000:0.000000:0.000000 300 × 5:@0.444757:0.720565:0.509786:0.720565:0.509786:0.701197:0.444757:0.701197:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.411523:0.740179:0.416032:0.740179:0.416032:0.720206:0.411523:0.720206:0.000000 :@0.444757:0.740179:0.501420:0.740172:0.501420:0.720198:0.444757:0.720206:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.411542:0.759786:0.416311:0.759786:0.416311:0.740417:0.411542:0.740417:0.000000 __________________:@0.444775:0.759786:0.622267:0.759786:0.622267:0.740417:0.444775:0.740417:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 e) :@0.411542:0.790089:0.433843:0.790089:0.433843:0.770116:0.411542:0.770116:0.000000:0.000000:0.000000 90 × 2:@0.444775:0.790089:0.499177:0.790089:0.499177:0.770720:0.444775:0.770720:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.411542:0.809703:0.416050:0.809703:0.416050:0.789730:0.411542:0.789730:0.000000 :@0.444775:0.809703:0.492406:0.809706:0.492406:0.789732:0.444775:0.789730:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.411542:0.832884:0.416311:0.832884:0.416311:0.813515:0.411542:0.813515:0.000000 __________________:@0.444775:0.832884:0.622267:0.832884:0.622267:0.813515:0.444775:0.813515:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 f) :@0.411542:0.863187:0.431425:0.863187:0.431425:0.843214:0.411542:0.843214:0.000000:0.000000:0.000000 400 × 4:@0.444775:0.863187:0.509805:0.863187:0.509805:0.843819:0.444775:0.843819:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.411542:0.882801:0.416050:0.882801:0.416050:0.862828:0.411542:0.862828:0.000000 :@0.444775:0.882801:0.501420:0.882804:0.501420:0.862830:0.444775:0.862828:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.411542:0.905982:0.416311:0.905982:0.416311:0.886613:0.411542:0.886613:0.000000 __________________:@0.444775:0.905982:0.622267:0.905982:0.622267:0.886613:0.444775:0.886613:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 g) :@0.669721:0.720565:0.693264:0.720565:0.693264:0.700592:0.669721:0.700592:0.000000:0.000000:0.000000 160 × 2:@0.702955:0.720565:0.767984:0.720565:0.767984:0.701197:0.702955:0.701197:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.669721:0.740179:0.674230:0.740179:0.674230:0.720206:0.669721:0.720206:0.000000 :@0.702955:0.740179:0.759618:0.740172:0.759618:0.720198:0.702955:0.720206:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.669740:0.759786:0.674509:0.759786:0.674509:0.740417:0.669740:0.740417:0.000000 __________________:@0.702973:0.759786:0.880465:0.759786:0.880465:0.740417:0.702973:0.740417:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 h) :@0.669740:0.790089:0.693260:0.790089:0.693260:0.770116:0.669740:0.770116:0.000000:0.000000:0.000000 25 × 100:@0.702973:0.790089:0.778630:0.790089:0.778630:0.770720:0.702973:0.770720:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.669740:0.809703:0.674248:0.809703:0.674248:0.789730:0.669740:0.789730:0.000000 :@0.702973:0.809703:0.764126:0.809706:0.764126:0.789732:0.702973:0.789730:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.669740:0.832884:0.674509:0.832884:0.674509:0.813515:0.669740:0.813515:0.000000 __________________:@0.702973:0.832884:0.880465:0.832884:0.880465:0.813515:0.702973:0.813515:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 i) :@0.669740:0.863187:0.686378:0.863187:0.686378:0.843214:0.669740:0.843214:0.000000:0.000000:0.000000 120 × 5:@0.702973:0.863187:0.768003:0.863187:0.768003:0.843819:0.702973:0.843819:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.669740:0.882801:0.674248:0.882801:0.674248:0.862828:0.669740:0.862828:0.000000 :@0.702973:0.882801:0.759618:0.882804:0.759618:0.862830:0.702973:0.862828:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.669740:0.905982:0.674509:0.905982:0.674509:0.886613:0.669740:0.886613:0.000000 __________________:@0.702973:0.905982:0.880465:0.905982:0.880465:0.886613:0.702973:0.886613:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 18 ÷ 3 = 6:@0.357515:0.153344:0.438329:0.153344:0.438329:0.135465:0.357515:0.135465:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 18 ÷ 6 = 3:@0.357515:0.178299:0.438329:0.178299:0.438329:0.160420:0.357515:0.160420:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 3 × 6 = 18:@0.357515:0.203254:0.438329:0.203254:0.438329:0.185375:0.357515:0.185375:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 6 × 3 = 18:@0.357515:0.228209:0.438329:0.228209:0.438329:0.210330:0.357515:0.210330:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 18:@0.232677:0.159660:0.250662:0.159660:0.250662:0.143271:0.232677:0.143271:0.000000:0.000000 6:@0.176141:0.219794:0.185133:0.219794:0.185133:0.203405:0.176141:0.203405:0.000000 3:@0.297265:0.219794:0.306258:0.219794:0.306258:0.203405:0.297265:0.203405:0.000000 20:@0.603017:0.155739:0.621002:0.155739:0.621002:0.139350:0.603017:0.139350:0.000000:0.000000 4:@0.546481:0.215874:0.555473:0.215874:0.555473:0.199485:0.546481:0.199485:0.000000 5:@0.667606:0.215874:0.676598:0.215874:0.676598:0.199485:0.667606:0.199485:0.000000 12:@0.232677:0.280152:0.250662:0.280152:0.250662:0.263763:0.232677:0.263763:0.000000:0.000000 3:@0.176141:0.340286:0.185133:0.340286:0.185133:0.323897:0.176141:0.323897:0.000000 4:@0.297265:0.340286:0.306258:0.340286:0.306258:0.323897:0.297265:0.323897:0.000000 27:@0.603017:0.280152:0.621002:0.280152:0.621002:0.263763:0.603017:0.263763:0.000000:0.000000 9:@0.546481:0.340286:0.555473:0.340286:0.555473:0.323897:0.546481:0.323897:0.000000 3:@0.667606:0.340286:0.676598:0.340286:0.676598:0.323897:0.667606:0.323897:0.000000 b) :@0.153344:0.267964:0.191094:0.267964:0.191094:0.247990:0.153344:0.247990:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.240720:0.267964:0.245228:0.267964:0.245228:0.247990:0.240720:0.247990:0.000000 :@0.301028:0.267964:0.305536:0.267964:0.305536:0.247990:0.301028:0.247990:0.000000 :@0.361338:0.267964:0.365846:0.267964:0.365846:0.247990:0.361338:0.247990:0.000000 :@0.421646:0.267964:0.426154:0.267964:0.426154:0.247990:0.421646:0.247990:0.000000 d):@0.481954:0.267964:0.532719:0.267964:0.532719:0.247990:0.481954:0.247990:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 :@0.532719:0.267964:0.537488:0.267964:0.537488:0.248595:0.532719:0.248595:0.000000 28 ÷ 7 = 4:@0.311482:0.432637:0.392295:0.432637:0.392295:0.414758:0.311482:0.414758:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 45 × 30 = 1 350 :@0.267838:0.466690:0.396698:0.466690:0.396698:0.448811:0.267838:0.448811:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 8 × 25 = 200:@0.291861:0.500743:0.392295:0.500743:0.392295:0.482864:0.291861:0.482864:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 5 × (4 × 4) = 80:@0.270230:0.534795:0.392295:0.534795:0.392295:0.516917:0.270230:0.516917:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 6 × 8 = 48:@0.311482:0.568848:0.392295:0.568848:0.392295:0.550969:0.311482:0.550969:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 2 × 49 = 98:@0.301671:0.602901:0.392295:0.602901:0.392295:0.585022:0.301671:0.585022:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 (8 × 50) ÷ 2:@0.568746:0.432637:0.660214:0.432637:0.660214:0.414758:0.568746:0.414758:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 80 ÷ 16 = 5:@0.568746:0.466690:0.659370:0.466690:0.659370:0.448811:0.568746:0.448811:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 7 × 4 = 28:@0.568746:0.500743:0.649560:0.500743:0.649560:0.482864:0.568746:0.482864:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 (2 × 3) × (4 × 2) = 48:@0.568746:0.534795:0.732062:0.534795:0.732062:0.516917:0.568746:0.516917:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 98 ÷ 2 = 49:@0.568746:0.568848:0.659370:0.568848:0.659370:0.550969:0.568746:0.550969:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000 1 350 ÷ 45 = 30:@0.568746:0.602901:0.693203:0.602901:0.693203:0.585022:0.568746:0.585022:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000