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