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