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1、 50以内计算题 100道 用时： 错误： 2 20 = 3 25 = 15 18 = 8 1 = 19 19 = 4 1 = 17 4 = 14 36 = 0 2 = 45 3 = 3 3 = 20 5 = 2 22 = 37 4 = 0 7 = 33 4 = 11 13 = 10 37 = 28 5 = 24 6 = 21 4 = 20 6 = 33 10 = 15 7 = 32 16 = 7 8 = 4 6 = 0 46 = 3 9 = 6 32 = 21 10 = 27 23 = 5 39 = 10 27 = 5 34 = 19 24 = 15 30 = 8 6 = 10 25 = 2
2、 15 = 20 11 = 16 1 = 5 44 = 1 44 = 6 15 = 3 14 = 7 18 = 0 1 = 14 20 = 12 1 = 1 33 = 24 11 = 5 0 = 18 32 = 7 2 = 7 13 = 9 33 = 19 13 = 16 6 = 0 34 = 4 13 = 6 31 = 41 3 = 11 24 = 5 27 = 9 38 = 4 45 = 19 29 = 4 40 = 11 8 = 6 21 = 6 37 = 33 3 = 8 12 = 20 0 = 38 3 = 37 9 = 1 38 = 7 25 = 10 20 = 42 2 = 31 17 = 2 27 = 46 1 = 15 23 = 1 39 = 11 14 = 1 28 = 8 7 = 14 26 = 9 39 = 12 0 = 28 16 = 10 32 = 23 12 = 16 11 = 28 11 = 18 25 = 25 4 = 12 18 =
