一年级下册100以内加减混合计算题
47-19+21= 91-23+34= 69-8+17= 89-26+8=95-28+27= 71-24+26= 57+6-28= 53-41+24=4
47-19+21= 91-23+34= 69-8+17= 89-26+8= 95-28+27= 71-24+26= 57+6-28= 53-41+24= 44+25-34= 49-6+67= 67+9-24= 97-26+17= 64-19+52= 82-17+46= 66-9+27= 78-6+18= 89-6+31= 57+16-39= 95-28+13= 67-6+15= 85-14+28= 100-34+47= 81-25+26= 89-18+26= 37+20+17= 94-27+16= 33+15-28= 28+54-16= 73+18-4= 63-9+14= 43-9+28= 26+54-27= ()

