2位数加减法口算题100道 (50)

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2位数加减法计算题 100道用时:错误:

71 - 11 = 66 + 23 = 47 + 35 = 44 + 13 = 38 + 36 = 78 - 23 = 36 + 52 = 22 + 43 = 53 - 27 = 31 + 19 = 33 - 17 = 70 - 13 = 30 + 21 = 66 - 50 = 59 - 39 = 14 + 53 = 54 - 36 = 75 + 21 = 67 - 10 = 42 + 18 = 67 - 47 = 77 - 12 = 56 + 44 = 45 + 39 = 17 + 19 = 29 + 42 = 70 - 22 = 55 - 24 = 20 + 45 = 97 - 54 = 44 + 51 = 62 + 10 = 95 - 56 = 16 + 21 = 68 + 15 = 30 + 51 = 81 - 55 = 84 - 43 = 83 - 73 = 48 - 32 = 71 - 39 = 18 + 64 = 48 + 14 = 60 - 26 = 61 - 35 = 78 + 21 = 74 - 37 = 83 - 25 =

88 - 58 = 47 + 26 = 72 - 57 = 96 - 45 = 64 + 25 = 32 + 28 = 90 - 44 = 70 + 13 = 79 + 10 = 31 + 10 = 34 + 17 = 82 - 35 = 11 + 80 = 39 + 18 = 80 - 68 = 19 + 42 = 84 - 22 = 47 - 17 = 82 - 45 = 84 - 70 = 29 + 62 = 85 - 11 = 90 - 35 = 73 - 48 = 59 - 28 = 28 + 40 = 69 - 25 = 75 - 26 = 67 - 56 = 79 - 40 = 84 - 13 = 44 - 30 = 51 + 41 = 10 + 89 = 97 - 34 = 22 + 52 = 92 - 32 = 76 - 44 = 93 - 49 = 27 + 64 = 95 - 84 = 38 + 56 = 56 - 13 = 50 + 50 = 13 + 55 = 31 - 10 = 59 + 39 = 60 + 28 = 38 + 29 = 47 - 15 = 61 + 26 = 53 + 12 =

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