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1、 2位数加减法计算题 100道 用时： 错误： 36 34 14 = 54 33 72 = 45 36 14 = 45 46 13 = 33 32 89 = 44 27 16 = 32 25 21 = 38 35 17 = 52 27 54 = 12 64 21 = 31 16 22 = 76 51 58 = 11 63 58 = 10 17 59 = 44 48 28 = 79 66 77 = 28 62 76 = 30 27 36 = 30 18 37 = 56 10 45 = 17 16 42 = 38 26 18 = 16 18 57 = 12 55 22 = 98 61 42 = 1
2、6 27 55 = 17 20 27 = 47 10 19 = 75 43 48 = 16 22 28 = 24 17 39 = 25 15 25 = 49 25 38 = 76 71 80 = 23 76 15 = 70 10 25 = 51 38 12 = 24 26 38 = 62 20 41 = 22 19 54 = 38 17 20 = 14 77 77 = 25 75 14 = 10 78 49 = 57 26 68 = 74 34 50 = 60 25 71 = 37 29 33 = 62 32 55 = 28 41 64 = 90 41 14 = 37 47 30 = 15 2
3、5 29 = 39 29 11 = 49 35 11 = 25 20 66 = 59 36 52 = 16 34 14 = 46 39 41 = 15 44 21 = 63 35 82 = 48 40 25 = 40 18 32 = 47 42 27 = 10 22 11 = 28 28 40 = 70 24 66 = 28 15 37 = 37 63 85 = 63 44 80 = 86 31 29 = 22 54 17 = 33 19 49 = 53 39 40 = 29 45 60 = 64 32 67 = 65 21 53 = 53 19 18 = 18 32 13 = 33 37 46 = 20 77 43 = 48 16 14 = 26 18 51 = 26 13 20 = 57 38 54 = 45 38 10 = 33 28 48 = 15 44 21 = 47 48 40 = 42 15 17 = 16 53 19 = 98 93 50 = 79 21 33 = 74 48 24 = 49 26 13 = 73 11 37 = 28 48 61 = 16 62 18 = 55 27 10 = 34 16 34 =
