核心提示: 40+15= 96-13= 4+16+44= 45+30= 69+19= 58+3+7= 70-6= 37-29= 33+59+19= 61-35= 11+49= 13
40+15= 96-13= 4+16+44= 45+30= 69+19= 58+3+7= 70-6=
37-29= 33+59+19= 61-35=
11+49= 13+46+24= 59+21= 39+34= 32+34+26= 39+26= 97-39= 39+35+18= 66+14=
小学数学二年级100以内加减法口算题600道.doc