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