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1、 50以内计算题 100道 用时： 错误： 39 17 = 19 13 = 41 3 = 30 25 = 20 7 = 48 21 = 43 34 = 44 22 = 37 9 = 36 5 = 32 11 = 12 7 = 31 24 = 42 2 = 27 24 = 28 5 = 35 18 = 19 8 = 15 14 = 45 9 = 39 29 = 11 3 = 24 0 = 36 22 = 47 22 = 46 35 = 28 10 = 43 28 = 23 19 = 40 21 = 40 27 = 38 30 = 48 15 = 47 27 = 43 23 = 40 10 = 4
2、5 3 = 19 19 = 24 6 = 46 41 = 32 6 = 46 46 = 23 12 = 28 0 = 23 7 = 14 9 = 48 38 = 21 4 = 42 19 = 46 1 = 17 15 = 49 30 = 43 33 = 39 0 = 18 8 = 48 43 = 35 1 = 9 0 = 30 1 = 26 2 = 17 10 = 37 25 = 49 36 = 13 4 = 24 22 = 38 1 = 9 5 = 44 38 = 29 15 = 22 14 = 47 39 = 26 8 = 23 1 = 25 20 = 30 8 = 36 27 = 27 1 = 49 25 = 44 32 = 37 14 = 38 13 = 21 10 = 49 19 = 30 3 = 16 11 = 12 12 = 38 6 = 41 25 = 26 13 = 39 39 = 25 3 = 43 6 = 42 12 = 25 15 = 43 39 = 37 20 = 47 0 = 46 12 = 48 31 = 43 0 =
