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1、 2位数加减法计算题 100道 用时： 错误： 32 19 10 = 43 34 40 = 10 11 49 = 17 10 31 = 30 22 25 = 81 39 35 = 73 25 32 = 49 31 53 = 29 33 38 = 67 39 55 = 12 29 29 = 16 13 46 = 37 32 21 = 37 41 19 = 69 16 28 = 92 82 54 = 70 14 13 = 94 67 43 = 24 12 29 = 72 58 58 = 23 41 39 = 69 25 26 = 25 18 12 = 24 21 27 = 31 31 23 = 4
2、8 33 54 = 62 15 30 = 10 21 47 = 80 50 48 = 35 55 48 = 90 55 25 = 71 40 38 = 23 32 41 = 54 30 67 = 68 37 40 = 36 52 33 = 75 17 25 = 61 17 45 = 70 43 39 = 20 75 79 = 20 66 81 = 17 10 31 = 24 30 26 = 21 55 67 = 68 26 18 = 33 38 13 = 16 22 45 = 18 12 38 = 55 16 48 = 68 45 40 = 17 31 43 = 99 92 50 = 32 1
3、9 10 = 21 64 66 = 18 19 30 = 47 16 34 = 24 30 26 = 44 42 17 = 31 10 11 = 53 18 63 = 82 57 32 = 72 51 66 = 41 19 21 = 61 44 11 = 29 33 38 = 58 51 86 = 19 80 14 = 68 27 41 = 85 11 68 = 82 74 17 = 55 16 48 = 76 15 11 = 54 27 61 = 31 43 16 = 76 35 23 = 85 83 71 = 18 80 19 = 16 13 46 = 15 24 59 = 31 10 11 = 83 16 98 = 66 30 56 = 51 41 89 = 23 23 42 = 12 58 10 = 37 41 19 = 73 70 63 = 67 48 53 = 71 60 59 = 15 47 35 = 74 21 36 = 54 30 25 = 91 47 55 = 73 24 37 = 74 43 16 = 59 54 49 = 29 56 13 = 61 40 21 = 40 40 49 = 23 61 13 =
