列竖式计算加减法 37+35= 68+32= 16+66= 29+34= 49+34= 51-15= 78-56= 72-27= 56-10= 52-18= 69+28= 19+55= 89+11= 57+24= 39+44= 23-19= 21-19= 40-19= 76-23= 80-21= 16+25= 37+45= 33+49= 39+31= 16+16= 33-12= 21-19= 42-17= 30-14= 48-19= 23+68= 16+55= 28+37= 67+33= 18+74= 列竖式计算加减法 37+45= 33+49= 39+31= 16+16= 39+29= 33-12= 21-19= 42-17= 30-14= 48-19= 17+35= 28+27= 37+15= 58+42= 18+65= 50-25= 55-19= 72-66= 32-17= 18-7= 29+54= 68+28= 49+44= 34+19= 39+34= 37+55= 33+19= 58+12= 29+64= 68+22= 81-79= 70-45= 80-34= 87-12= 32-17= 列竖式计算加减法 69+28= 19+55= 89+11= 57+24= 39+44= 51-15= 78-56= 72-27= 56-10= 52-18= 24+67= 37+39= 29+54= 68+28= 49+44= 34-13= 17-2= 56-45= 16-9= 33-12= 34+19= 39+34= 37+55= 33+19= 58+12= 21-19= 42-17= 30-14= 48-19= 50-25= 29+64= 68+22= 16+56= 49+35= 65+28= 列竖式计算加减法 55-19= 72-66= 32-17= 18-7= 81-79