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