二年级加减法647 + 26 = 82 +18 = 96 57 = 72 27 = 73 + 22 = 17 +81 = 86 57 = 62 27 = 39 + 42 =65 -38 = 26+ 56 = 72 27 = 49 + 42 = 56 +37 = 62 - 46 = 27+27 = 79 - 42 = 68 + 9 = 71 44 = 80 56 = 53 + 19 =参考答案73 100 3945 95 9829 35 8127 82 4591 93 1654 37 7727 24 72
