50以内加减混合口算题100道 (80)

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50以内加减混合计算题 100道用时:错误:

2 + 16 - 7 = 48 - 4 - 2

3 = 5 + 12 - 6 =

3 + 32 + 15 = 18 + 9 + 19 = 47 - 23 + 2

4 = 31 - 0 - 17 = 11 + 7 + 14 = 9 + 22 - 3 = 10 + 27 - 29 = 39 - 1

5 - 3 = 3 + 21 - 3 = 27 + 2 + 0 = 28 + 1 - 9 = 2

6 + 9 - 8 = 34 - 15 + 4 = 19 + 23 + 1 = 0 + 30 - 30 = 43 - 12 - 2

7 = 44 - 14 - 19 = 26 - 15 + 15 = 36 - 6 - 30 = 9 + 17 - 4 = 2 + 5 + 0 = 9 + 19 - 1

8 = 44 - 3 - 7 = 14 - 6 + 21 = 40 - 35 + 27 = 47 - 18 - 24 = 22 - 14 + 17 = 18 + 10 - 27 = 37 - 27 +

9 = 12 + 23 + 2 = 23 - 3 - 10 = 15 - 2 - 13 = 47 - 17 - 16 =

14 + 21 - 35 = 38 - 16 + 4 = 1 + 22 + 14 = 28 + 2 + 9 = 5 + 23 + 13 = 37 - 21 - 2 = 37 - 26 + 1 = 48 - 44 - 3 = 13 + 33 - 0 = 12 + 29 - 9 = 9 + 22 + 3 = 0 + 29 - 22 = 27 - 9 + 12 = 38 - 27 + 16 = 13 + 28 + 1 = 18 + 4 + 20 = 27 + 7 - 0 = 34 + 15 - 4 = 9 + 28 + 2 = 45 - 42 + 46 = 47 - 23 - 24 = 23 - 8 - 9 = 11 + 9 + 30 = 14 - 14 + 28 = 9 + 17 - 17 = 19 + 2 - 11 = 26 + 14 - 7 = 30 - 19 - 5 = 41 - 26 - 0 = 21 + 24 - 9 = 30 - 26 + 12 = 3 + 3 + 42 = 40 + 6 - 0 = 1 + 12 + 16 = 49 - 48 + 44 = 34 - 20 + 3 = 5 + 22 + 4 = 45 - 13 - 18 = 19 - 2 - 11 =

15 + 8 - 20 = 4 + 24 + 21 = 40 - 33 - 7 = 25 - 11 + 24 = 37 - 16 - 3 = 26 - 4 - 9 = 25 - 0 + 18 = 11 + 19 - 11 = 36 - 17 - 11 = 33 - 5 - 6 = 40 - 28 + 8 = 33 - 10 - 5 = 30 + 9 + 6 = 21 + 10 - 26 = 10 + 33 - 34 = 25 - 5 + 17 = 35 - 35 + 10 = 0 + 14 + 24 = 8 + 19 + 12 = 38 + 12 - 44 = 48 - 39 - 4 = 31 + 5 - 17 = 22 - 4 - 18 = 7 + 15 + 21 = 29 + 16 - 14 =

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