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20 以内加减法练习以内加减法练习 姓名: 时间: 成绩: 4 + 7 + 9 = 2 0 - 7 - 7 = 8 + 7 + 5 = 4 + 5 + 1 0 = 1 + 3 + 4 = 6 + 4 + 4 = 8 - 3 - 4 = 3 + 7 + 8 = 3 + 6 + 6 = 1 9 - 2 - 4 = 1 3 - 8 - 3 = 3 + 9 + 3 = 1 2 - 5 - 7 = 1 7 - 9 - 5 = 2 + 9 + 4 = 1 6 - 3 - 9 = 2 + 5 + 6 = 1 7 - 6 - 3 = 1 9 - 1 - 2 = 9 + 1 + 1 0 = 3 + 9 + 8 = 2 + 1 0 + 7 = 2 0 - 9 - 6 = 7 + 9 + 4 = 6 + 5 + 6 = 1 5 - 9 - 2 = 3 + 7 + 3 = 1 3 - 4 - 7 = 1 6 - 1 - 3 = 1 4 - 4 - 3 = 1 8 - 9 - 5 = 1 9 - 1 0 - 7 = 5 + 3 + 4 = 1 4 - 1 - 3 = 1 4 - 6 - 3 = 1 8 - 3 - 8 = 1 + 7 + 9 = 1 9 - 9 - 1 0 = 9 - 7 - 2 = 1 7 - 5 - 6 = 4 + 1 + 7 = 1 1 - 6 - 2 = 1 9 - 7 - 4 = 1 7 - 6 - 1 0 = 1 3 - 3 - 5 = 5 + 2 + 3 = 9 + 3 + 2 = 9 + 5 + 6 = 8 + 6 + 3 = 7 - 5 - 1 = 4 + 4 + 1 = 1 + 9 + 1 = 4 + 4 + 8 = 1 6 - 7 - 7 = 1 + 4 + 1 = 1 + 1 + 5 = 7 + 2 + 2 = 9 + 1 + 2 = 1 0 + 7 + 3 = 6 + 3 + 7 = 1 6 - 5 - 8 = 1 + 9 + 8 = 1 9 - 4 - 3 = 1 3 - 1 - 6 = 5 + 8 + 3 = 6 + 8 + 1 = 1 5 - 2 - 9 = 5 + 6 + 1 = 7 + 5 + 4 = 1 2 - 1 0 - 1 = 1 7 - 3 - 7 = 4 + 7 + 5 = 6 - 5 - 1 = 4 + 1 0 + 4 = 2 0 - 1 - 1 0 = 8 - 1 - 6 = 1 9 - 3 - 6 = 1 8 - 8 - 1 0 = 1 0 + 2 + 3 = 2 + 2 + 3 = 9 + 4 + 2 = 3 + 3 + 1 0 = 4 + 8 + 7 = 1 5 - 4 - 8 = 4 + 9 + 7 = 1 0 + 3 + 6 = 7 + 1 + 5 = 1 4 - 5 - 1 = 1 3 - 1 - 1 0 = 1 + 8 + 4 = 7 - 2 - 2 = 1 9 - 9 - 3 = 1 7 - 1 - 3 = 1 5 - 5 - 5 = 1 9 - 8 - 8 = 5 + 1 0 + 1 = 1 1 - 3 - 4 = 2 0 - 3 - 2 = 1 5 - 7 - 5 = 1 9 - 3 - 1 = 8 + 3 - 9 = 5 + 8 - 9 = 9 + 8 - 9 = 8 + 2 - 1 0 = 6 + 4 - 7 = 8 + 1 0 - 7 = 1 0 + 7 - 8 = 7 + 8 - 3 = 7 + 7 - 7 = 4 + 7 - 6 = 8 - 2 + 1 0 = 7 + 8 - 1 0 = 7 - 1 + 6 = 2 + 1 0 - 7 = 7 + 4 - 4 = 1 0 - 4 + 8 = 6 + 1 0 - 5 = 2 + 9 - 2 = 4 + 6 - 1 0 = 9 + 9 - 9 = 7 + 9 - 2 = 7 + 4 - 9 = 5 + 9 - 8 = 9 + 6 - 2 = 9 + 1 - 2 = 1 0 - 2 + 4 = 7 + 8 - 1 = 8 - 1 + 4 = 1 0 - 2 + 1 0 = 8 - 8 + 1 0 = 4 + 6 - 3 = 5 + 5 - 6 = 8 + 6 - 1 = 8 - 3 + 1 0 = 9 - 1 + 1 0 = 4 + 8 - 9 = 7 + 4 - 2 = 5 + 1 0 - 6 = 6 - 2 + 6 = 3 + 1 0 - 2 = 8 + 6 - 3 = 8 - 1 + 3 = 5 + 9 - 3 = 3 + 1 0 - 9 = 9 - 2 + 7 = 8 + 1 0 - 9 = 1 0 + 5 - 8 = 1 0 + 6 - 7 = 1 0 + 3 - 1 0 = 4 - 1 + 7 = 8 + 7 - 4 = 7 + 4 - 8 = 8 + 7 - 7 = 2 + 1 0 - 9 = 6 + 1 0 - 4 = 6 + 9 - 1 = 9 + 8 - 8 = 1 0 + 4 - 9 = 1 0 + 9 - 5 = 9 + 5 - 7 = 2 + 9 - 1 0 = 7 + 5 - 1 = 5 + 7 - 8 = 9 - 1 + 6 = 9 + 3 - 6 = 9 + 7 - 5 = 1 0 - 5 + 9 = 9 + 2 - 7 = 9 + 1 0 - 3 = 9 - 1 + 3 = 3 + 9 - 3 = 8 + 8 - 1 0 = 2 - 1 + 9 = 8 + 1 0 - 2 = 6 + 4 - 5 = 4 - 2 + 8 = 5 + 7 - 5 = 5 + 5 - 4 = 1 0 + 7 - 1 0 = 7 + 6 - 3 = 1 0 + 6 - 1 = 8 + 2 - 8 = 8 + 9 - 6 = 1 0 - 7 + 1 0 = 8 + 9 - 9 = 1 0 + 8 - 6 = 9 + 8 - 4 = 1 0 - 2 + 3 = 9 - 1 + 8 = 7 + 4 - 4 = 3 - 1 + 9 = 5 + 1 0 - 2 = 3 + 8 - 2 = 1 0 - 8 + 1 0 = 5 + 9 - 1 0 = 9 + 4 - 2 = 7 - 4 + 8 = 6 + 5 - 1 = 1 + 9 - 6 = 5 + 7 - 3 = 2 + 9 + 1 = 1 8 - 9 - 4 = 6 + 3 + 7 = 2 + 7 + 2 = 1 9 - 5 - 4 = 4 + 4 + 1 = 8 + 8 + 4 = 1 + 9 + 5 = 1 + 8 + 3 = 1 7 - 3 - 6 = 1 1 - 1 - 3 = 2 + 1 + 1 = 9 - 1 - 1 = 1 5 - 9 - 6 = 1 + 1 + 5 = 1 4 - 2 - 4 = 2 0 - 7 - 7 = 1 5 - 5 - 9 = 1 7 - 2 - 4 = 6 + 5 + 6 = 2 + 1 + 5 = 1 + 2 + 6 = 1 9 - 1 - 6 = 5 + 6 + 5 = 4 + 5 + 2 = 1 3 - 6 - 1 = 1 + 9 + 1 = 1 0 - 3 - 5 = 1 3 - 7 - 6 = 1 1 - 7 - 1 = 1 6 - 1 0 - 6 = 1 8 - 2 - 5 = 3 + 3 + 9 = 1 1 - 2 - 5 = 1 2 - 1 - 1 0 = 1 6 - 4 - 3 = 1 9 - 9 - 9 = 1 8 - 1 - 8 = 9 + 5 + 6 = 1 5 - 5 - 2 = 2 + 2 + 1 0 = 6 - 2 - 3 = 1 7 - 8 - 6 = 1 5 - 6 - 6 = 1 0 - 2 - 1 = 3 + 2 + 8 = 6 + 6 + 8 = 6 + 1 0 + 2 = 6 + 2 + 9 = 8 + 5 + 3 = 2 + 5 + 3 = 2 0 - 1 - 2 = 2 + 5 + 1 0 = 1 4 - 6 - 3 = 1 9 - 6 - 1 = 1 9 - 3 - 5 = 4 + 1 0 + 4 = 6 + 4 + 8 = 7 + 7 + 1 = 4 + 3 + 3 = 1 4 - 4 - 3 = 2 0 - 1 - 9 = 1 7 - 5 - 5 = 9 - 5 - 1 = 3 + 8 + 5 = 4 + 7 + 1 = 1 2 - 7 - 5 = 3 + 6 + 6 = 5 + 3 + 8 = 9 - 3 - 5 = 1 5 - 3 - 3 = 2 + 8 + 7 = 8 + 3 + 1 = 3 + 1 + 3 = 1 8 - 3 - 7 = 8 + 6 + 3 = 1 7 - 4 - 8 = 1 6 - 1 0 - 1 = 7 + 3 + 4 = 2 0 - 4 - 3 = 6 + 8 + 1 = 1 + 5 + 7 = 2 + 9 + 8 = 1 3 - 1 - 1 0 = 2 + 1 0 + 7 = 7 + 4 + 6 = 4 + 9 + 3 = 1 1 - 9 - 1 = 4 - 1 - 1 = 1 8 - 8 - 1 0 = 6 + 8 + 4 = 1 6 - 8 - 5 = 1 3 - 4 - 9 = 1 1 - 3 - 6 = 1 6 - 7 - 9 = 2 + 8 + 3 = 8 + 9 + 3 = 1 7 - 3 - 2 = 1 1 - 6 - 4 = 1 6 - 2 - 2 = 1 0 + 7 + 2 = 5 + 1 + 4 = 1 3 - 3 - 3 = 1 0 + 3 + 5 = 5 + 7 + 2 = 1 0 - 2 - 7 = 1 5 - 6 - 5 = 9 + 1 + 1 = 8 + 7 + 3 = 3 + 4 + 6 = 1 8 - 6 - 1 0 = 9 + 2 + 5 = 1 7 - 7 - 1 0 = 2 + 2 + 1 = 7 + 7 + 2 = 2 0 - 7 - 5 = 7 + 2 + 8 = 1 + 8 + 1 0 = 3 + 3 + 4 = 1 3 - 5 - 3 = 9 + 3 + 1 = 7 + 9 + 3 = 1 4 - 5 - 3 = 1 + 3 + 7 = 2 0 - 3 - 4 = 9 + 3 + 5 = 1 7 - 7 - 3 = 6 + 5 + 9 = 9 + 5 + 2 = 7 + 4 + 9 = 1 1 - 5 - 3 = 1 3 - 3 - 7 = 1 9 - 2 - 7 = 7 + 1 + 8 = 7 + 7 + 4 = 1 0 - 4 - 1 = 1 5 - 5 - 8 = 1 3 - 2 - 1 0 = 4 + 3 + 2 = 8 - 2 - 6 = 1 8 - 1 - 7 = 5 + 2 + 1 0 = 1 2 - 8 - 3 = 8 - 6 - 2 = 6 + 4 + 7 = 1 9 - 1 - 5 = 2 + 2 + 6 = 2 + 4 + 5 = 1 + 8 + 7 = 3 + 6 + 2 = 1 8 - 3 - 1 0 = 1 5 - 6 - 9 = 1 8 - 4 - 7 = 1 0 + 9 + 1 = 1 5 - 1 - 9 = 1 4 - 7 - 5 = 2 0 - 7 - 1 0 = 1 + 1 0 + 6 = 2 + 1 0 + 3 = 2 0 - 1 - 5 = 1 0 + 4 + 2 = 1 5 - 7 - 8 = 1 2 - 3 - 7 = 6 + 2 + 8 = 1 9 - 7 - 2 = 2 0 - 5 - 3 = 8 + 4 + 2 = 1 9 - 5 - 3 = 2 0 - 1 0 - 1 0 = 6 + 2 + 1 = 7 - 3 - 4 = 1 8 - 7 - 4 = 3 + 4 + 3 = 1 8 - 9 - 7 = 1 3 - 4 - 9 = 3 + 6 + 9 = 1 2 - 2 - 1 0 = 1 1 - 4 - 5 = 2 + 7 + 1 = 1 6 - 1 - 5

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