二年级两位数加减法的巧算练习题及答案(二年级数学计算题100道).pdf

计算题100道 20 30 35 22 25 + 77 + 19 + 38 + 44 + 17 = = = = = 17 74 97 37 55 + 18 - 58 - 14 + 36 + 16 = = = = = 15 48 97 17 43 + 17 + 21 - 41 + 81 + 43 = = = = = 22 43 94 12 17 - 11 + 52 - 28 + 12 + 39 = = = = = 33 91 44 53 88 + 38 - 32 + 14 + 25 + 11 = = = = = 54 93 73 89 58 + 35 - 65 + 14 - 77 + 27 = = = = = 73 45 79 43 33 + 20 + 49 - 41 - 16 + 56 = = = = = 64 28 85 78 70 - 13 + 21 - 14 - 37 - 23 = = = = = 43 92 38 86 29 + 49 - 31 - 28