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1、 20以内加减混合计算题 100道 用时： 错误： 9 7 9 = 7 5 5 = 6 3 11 = 6 5 2 = 17 16 18 = 11 6 2 = 18 1 15 = 13 2 0 = 15 3 11 = 12 6 1 = 14 13 3 = 19 4 0 = 6 2 7 = 2 8 4 = 19 8 9 = 19 13 9 = 9 2 3 = 16 6 10 = 3 13 6 = 14 2 3 = 5 10 4 = 8 4 6 = 9 0 7 = 19 12 9 = 10 4 3 = 8 1 4 = 7 0 4 = 7 1 0 = 12 7 4 = 15 9 0 = 15 1 8
2、= 12 4 1 = 8 2 3 = 17 1 12 = 10 0 0 = 12 7 2 = 0 3 3 = 11 4 2 = 14 7 8 = 7 13 14 = 1 6 5 = 18 5 6 = 19 8 5 = 11 8 2 = 12 7 1 = 12 10 6 = 19 10 8 = 17 14 2 = 18 1 7 = 2 18 13 = 19 4 6 = 4 8 0 = 3 1 15 = 9 1 7 = 1 12 7 = 19 6 9 = 10 4 3 = 12 7 1 = 18 18 1 = 0 5 2 = 0 8 7 = 18 0 0 = 15 3 11 = 14 14 6 =
3、 15 12 3 = 2 2 16 = 7 9 10 = 1 12 7 = 14 9 4 = 7 12 15 = 12 5 1 = 3 10 1 = 16 3 7 = 0 19 0 = 0 0 18 = 13 9 1 = 16 4 10 = 1 8 5 = 1 10 4 = 4 15 3 = 14 11 0 = 7 5 5 = 3 8 1 = 12 7 1 = 18 16 1 = 9 0 6 = 12 5 1 = 1 8 8 = 5 2 11 = 11 4 2 = 7 7 13 = 5 2 8 = 4 11 4 = 2 6 1 = 7 0 4 = 11 6 2 = 17 1 4 = 19 8 4 = 10 2 0 = 16 1 9 =
