50以内加减混合运算题100道 (44)
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50以内加减混合计算题 100道用时:错误:
21 - 7 + 32 = 8 + 8 + 11 = 37 - 26 + 36 = 15 - 15 + 7 = 2 + 16 + 11 = 32 - 19 + 26 = 12 + 14 - 8 = 38 - 5 - 9 = 35 - 26 + 32 = 15 + 21 - 15 = 35 - 24 + 24 = 3 + 20 + 27 = 7 + 15 + 18 = 36 + 13 - 8 = 40 - 19 + 15 = 42 - 9 - 1 = 5 + 1 + 41 = 28 - 24 + 35 = 0 + 8 + 22 = 37 + 0 + 2 = 4 + 14 + 20 = 22 - 2 - 6 = 43 - 31 + 20 = 29 - 5 - 12 = 5 + 6 + 24 = 11 + 27 + 7 = 20 + 9 - 4 = 38 - 31 + 30 = 10 + 38 - 30 = 12 + 19 + 8 = 24 - 24 + 30 = 4 + 9 + 20 = 36 - 33 + 35 = 37 - 10 + 1 = 33 - 6 - 11 = 16 - 9 - 0 = 37 - 0 - 2 = 7 + 16 + 26 = 26 + 0 + 15 = 28 - 2 - 22 = 32 + 5 - 3 = 48 - 24 - 3 = 37 - 17 - 8 = 31 - 25 + 33 = 32 - 24 + 25 = 12 - 8 + 1 = 3 + 4 + 21 = 0 + 15 + 14 = 29 + 0 + 13 = 21 + 0 + 24 = 44 - 18 - 21 = 39 - 30 + 22 = 15 + 20 + 6 = 47 - 0 - 11 = 12 + 19 - 8 = 25 - 6 + 22 = 27 - 19 + 36 = 7 + 15 - 18 = 37 + 10 - 1 = 12 - 8 - 1 =
16 + 9 + 0 = 42 - 3 - 34 = 13 - 7 + 43 = 32 + 7 - 19 = 37 - 12 + 9 = 9 - 7 + 2 = 26 - 0 - 15 = 12 - 3 - 2 = 3 + 0 + 17 = 23 - 15 + 34 = 27 - 14 + 36 = 33 - 1 - 12 = 34 - 5 - 3 = 20 - 13 + 39 = 16 - 9 + 0 = 33 - 11 - 10 = 7 + 33 - 32 = 20 + 4 + 21 = 45 + 5 - 40 = 8 + 3 - 11 = 44 - 18 + 5 = 43 + 2 + 3 = 1 + 36 + 8 = 47 - 36 + 18 = 3 + 10 + 29 = 48 - 1 - 35 = 8 + 20 + 17 = 39 - 36 + 29 = 25 + 0 - 14 = 40 - 17 - 7 = 41 - 6 + 0 = 44 - 28 - 4 = 49 - 11 - 38 = 13 + 32 - 15 = 19 + 1 + 26 = 30 + 18 - 19 = 31 - 12 - 12 = 43 + 5 - 34 = 7 + 41 - 3 = 43 - 15 + 7 =