1 1 0 0 以内进退位加减法口算题 52-29= 51-19= 39+48= 49+44= 49+34= 94-79= 60-18= 75+18= 36-19= 72-65= 68+16= 95-76= 67-19= 77+15= 48+46= 93-25= 87-78= 92-15= 44-18= 95-67= 50-21= 81-54= 80-44= 86-68= 81-64= 50-31= 72-55= 67-29= 52-29= 51-19= 49+34= 72-65= 48+46= 95-67= 50-21= 81-64= 48-19= 81-26= 57+17= 65+16= 36+48= 28+59= 82-14= 91-12= 64+29= 43+49= 37+58= 53-35= 84-68= 60-46= 2 1 0 0 以内进退位加减法口算题 62-44= 38+45= 96-49= 90-25= 45+46= 29+36= 95-29= 29+46= 37+35= 70-33= 91-79= 28+49= 62-54= 79+19= 64+19= 53-45= 96-39= 61-34= 65+16= 36+48= 64+29= 60-46= 45+46= 70-33= 91-79= 64+19= 91-65= 18+39= 72-16= 91-55= 26+37= 93-17= 42-25= 17+38= 18+26= 51-23= 93-27= 51-43= 19+36= 26+47= 69+18= 85-28= 91-42= 59+22= 71-16= 19+13= 33+48= 18+16= 54+18= 17+28= 3 1 0 0 以内进退位加减法口算题 25+27= 43-35= 33+38= 85-18= 50-36= 34-26