Resta con los números dígitos:@0.333794:0.091095:0.744236:0.091095:0.744236:0.065185:0.333794:0.065185:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
TEMA 4:@0.134987:0.092707:0.244356:0.092707:0.244356:0.063558:0.134987:0.063558:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
52:@0.033433:0.964932:0.058413:0.964932:0.058413:0.944680:0.033433:0.944680:0.000000:0.000000
M.2.1.20. :@0.097512:0.948556:0.160661:0.948556:0.160661:0.935832:0.097512:0.935832:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Vincular la noción de sustracción con la noción de quitar objetos de un conjunto y la de establecer la diferencia :@0.160661:0.948597:0.905728:0.948597:0.905728:0.936134:0.160661:0.936134:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
entre dos cantidades.:@0.097525:0.960667:0.241474:0.960667:0.241474:0.948204:0.097525:0.948204:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Saberes previos:@0.333794:0.120957:0.453850:0.120957:0.453850:0.105343:0.333794:0.105343:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Resta de números naturales hasta el 5:@0.333678:0.265385:0.901997:0.265385:0.901997:0.236236:0.333678:0.236236:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Si de un grupo de cinco dinosaurios se :@0.333678:0.309966:0.911247:0.309966:0.911247:0.285041:0.333678:0.285041:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
retiraron:@0.333678:0.332598:0.440224:0.332598:0.440224:0.307673:0.333678:0.307673:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
dos,:@0.482252:0.332598:0.537465:0.332598:0.537465:0.307673:0.482252:0.307673:0.000000:0.000000:0.000000:0.000000
para:@0.576358:0.332598:0.638864:0.332598:0.638864:0.307673:0.576358:0.307673:0.000000:0.000000:0.000000:0.000000
saber:@0.680893:0.332598:0.754978:0.332598:0.754978:0.307673:0.680893:0.307673:0.000000:0.000000:0.000000:0.000000:0.000000
cuántos:@0.797007:0.332598:0.903525:0.332598:0.903525:0.307673:0.797007:0.307673:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
dinosaurios hay ahora en el grupo, se :@0.333678:0.355229:0.911298:0.355229:0.911298:0.330304:0.333678:0.330304:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
cuentan los que quedaron. Mira el ejemplo.:@0.333678:0.377860:0.903496:0.377860:0.903496:0.352936:0.333678:0.352936:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Se puede plantear la resta de forma vertical. :@0.333678:0.672069:0.911245:0.672069:0.911245:0.647144:0.333678:0.647144:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Si se trabaja con las regletas, quitamos las :@0.333678:0.694700:0.911274:0.694700:0.911274:0.669776:0.333678:0.669776:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
que se indiquen para encontrar el resultado. :@0.333678:0.717332:0.911218:0.717332:0.911218:0.692407:0.333678:0.692407:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Observa.:@0.333678:0.739963:0.451991:0.739963:0.451991:0.715038:0.333678:0.715038:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Dicen que el triángulo de color rojo es mágico, :@0.334637:0.151206:0.902819:0.151206:0.902819:0.127839:0.334637:0.127839:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
que al retirarlo de la figura, los 5 triángulos se :@0.334637:0.172573:0.874173:0.172573:0.874173:0.149206:0.334637:0.149206:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
transformarán en uno solo. ¿Será verdad?:@0.334637:0.193941:0.828439:0.193941:0.828439:0.170574:0.334637:0.170574:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
___________________________________________________:@0.334637:0.219081:0.881184:0.219081:0.881184:0.195714:0.334637:0.195714:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
–:@0.492992:0.791231:0.506394:0.791231:0.506394:0.765783:0.492992:0.765783:0.000000
5:@0.524284:0.780057:0.539411:0.780057:0.539411:0.756200:0.524284:0.756200:0.000000
2:@0.524284:0.803936:0.539411:0.803936:0.539411:0.780079:0.524284:0.780079:0.000000
3:@0.524284:0.834408:0.539411:0.834408:0.539411:0.810551:0.524284:0.810551:0.000000
2:@0.719146:0.821361:0.728795:0.821361:0.728795:0.805783:0.719146:0.805783:0.000000
Planteamiento::@0.372296:0.593207:0.563723:0.593207:0.563723:0.569350:0.372296:0.569350:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
5 – 2 = 3:@0.418005:0.614650:0.518017:0.614650:0.518017:0.591284:0.418005:0.591284:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Respuesta::@0.687208:0.591698:0.825664:0.591698:0.825664:0.567841:0.687208:0.567841:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Quedan 3:@0.693440:0.613142:0.819434:0.613142:0.819434:0.589775:0.693440:0.589775:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
dinosaurios:@0.686077:0.634510:0.826822:0.634510:0.826822:0.611143:0.686077:0.611143:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
La :@0.095012:0.468272:0.128216:0.467837:0.127709:0.446031:0.094504:0.446466:0.000000:0.000000:0.000000
resta:@0.128215:0.467767:0.185737:0.467013:0.185220:0.444750:0.127697:0.445503:0.000000:0.000000:0.000000:0.000000:0.000000
 o :@0.185739:0.467084:0.214465:0.466708:0.213958:0.444902:0.185232:0.445278:0.000000:0.000000:0.000000
sustracción:@0.095478:0.488318:0.231393:0.486538:0.230875:0.464274:0.094960:0.466055:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 es :@0.231395:0.486608:0.270181:0.486100:0.269674:0.464294:0.230888:0.464802:0.000000:0.000000:0.000000:0.000000
una operación :@0.095947:0.508505:0.274093:0.506171:0.273586:0.484366:0.095440:0.486699:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
que consiste en: :@0.096415:0.528621:0.291398:0.526067:0.290891:0.504261:0.095908:0.506815:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
sacar, recortar, :@0.096883:0.548737:0.272121:0.546442:0.271614:0.524636:0.096376:0.526932:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
reducir, :@0.097351:0.568854:0.188805:0.567656:0.188298:0.545850:0.096843:0.547048:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
empequeñecer o :@0.097818:0.588970:0.306897:0.586232:0.306390:0.564426:0.097311:0.567164:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
separar algo de :@0.098286:0.609086:0.289144:0.606586:0.288637:0.584781:0.097779:0.587281:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
un todo.:@0.098754:0.629203:0.194732:0.627946:0.194225:0.606140:0.098247:0.607397:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
El signo   :@0.099222:0.649319:0.219168:0.647725:0.218661:0.625919:0.098715:0.627513:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
–:@0.192450:0.653877:0.212550:0.653614:0.211663:0.615448:0.191563:0.615711:0.000000
representa la resta :@0.099690:0.669413:0.317467:0.666560:0.316960:0.644754:0.099183:0.647607:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
y se lee :@0.100158:0.689529:0.192246:0.688323:0.191739:0.666517:0.099651:0.667723:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
menos:@0.192244:0.688252:0.271458:0.687215:0.270940:0.664951:0.191726:0.665989:0.000000:0.000000:0.000000:0.000000:0.000000
.:@0.271459:0.687285:0.278236:0.687196:0.277729:0.665390:0.270952:0.665479:0.000000
El signo :@0.100626:0.709645:0.193722:0.708426:0.193215:0.686620:0.100119:0.687839:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
=:@0.193913:0.716732:0.218033:0.716416:0.217145:0.678250:0.193025:0.678566:0.000000
 se lee :@0.217839:0.708101:0.297920:0.707052:0.297413:0.685246:0.217332:0.686295:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
es igual a:@0.101103:0.729682:0.217063:0.728163:0.216545:0.705900:0.100585:0.707419:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.127369:0.729409:0.134122:0.729320:0.133615:0.707514:0.126862:0.707603:0.000000
 y va :@0.217064:0.728234:0.276932:0.727450:0.276425:0.705644:0.216557:0.706428:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
seguido por el :@0.101573:0.749869:0.273061:0.747623:0.272554:0.725817:0.101066:0.728063:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
resultado que se :@0.102040:0.769985:0.299253:0.767402:0.298747:0.745596:0.101533:0.748179:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
conoce como :@0.102508:0.790102:0.273317:0.787864:0.272810:0.766058:0.102001:0.768296:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
diferencia:@0.102974:0.810147:0.221795:0.808591:0.221277:0.786328:0.102457:0.787884:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
.:@0.221796:0.808662:0.228573:0.808573:0.228066:0.786767:0.221289:0.786856:0.000000
Recuerda siempre:@0.067176:0.423123:0.312190:0.423123:0.312190:0.397213:0.067176:0.397213:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Tomada de: Archivo editorial:@0.921641:0.524775:0.921641:0.444336:0.910172:0.444336:0.910172:0.524775:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Sí, ya que quedaría un triángulo grande.:@0.334270:0.217909:0.832638:0.217909:0.832638:0.194542:0.334270:0.194542:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000