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时间：（ ）分钟
练习9 姓名： 评分：
26 –9 = 25 – 9 = 25 – 7 =
23 –3 = 22 – 4 = 23 – 5 =
23 –4 = 24 – 6 = 26 – 8 =
33 –5 = 33 – 4 = 33 – 8 =
34 + 59 – 35 = 35 + 63 – 40 = 33 + 40 – 48 =
48 – 29 + 36 = 53 – 49 + 77 = 99 – 42 + 35 =
87 – 30 – 23 = 73 – 39 – 34 = 84 – 23 – 35 =
65 – 38 – 23 = 73 – 15 – 34 = 63 – 23 – 35 =
时间：（ ）分钟
练习10 姓名： 评分：
33 –6 = 37 – 9 = 33 – 8 =
34 –5 = 38 – 9 = 34 – 8 =
35 –8 = 36 – 9 = 33 – 8 =
36 –9 = 35 – 9 = 35 – 7 =
26 + 37 + 25 = 39 + 24 + 25 = 16 + 30 + 27 =
34 + 38 – 35 = 35 + 37 – 40 = 23 + 58 – 48 =
47 – 29 + 36 = 53 – 26 + 77 = 70 – 42 + 35 =
34 + 37 + 25 = 19 + 23 + 25 = 16 + 29 + 27 =
时间：（ ）分钟
练习1 姓名： 等级：
12 –5 = 11 – 4 = 13 – 8 =
13 –6 = 17 – 9 = 12 – 8 =
59 – 25 = 62 – 40 = 40 – 28 =
19 + 26 = 49 + 37 = 46 + 35 =
33 + 58 – 24 = 24 + 61 – 39 = 22 + 39 – 47 =
47 – 18 + 25 = 52 – 48 + 76 = 88 – 41 + 35 =
86 – 29 – 12 = 71 – 28 – 23 = 99 – 73 – 25 =
时间：（ ）分钟
练习2 姓名： 等级：
14 –5 = 18 – 9 = 14 – 8 =
15 –8 = 16 – 9 = 11 – 8 =
30 – 13 = 29 – 24 = 63 – 25 =
37 + 15 = 14 + 15 = 24 + 17 =
15 + 36 + 14 = 68 + 13 + 14 = 55 + 19 + 27 =
32 + 57 – 23 = 23 + 60 – 38 = 11 + 38 – 46 =
46 – 17 + 24 = 51 – 47 + 75 = 77 – 41 + 34 =
时间：（ ）分钟
练习3 姓名： 评分:
16 –9 = 15 – 9 = 15 – 7 =
12 –3 = 11 – 4 = 13 – 5 =
38 – 25 = 37 – 22 = 56 – 48 =
19 + 26 = 16 + 77 = 46 + 35 =
85 – 28 – 11 = 70 – 27 – 22 = 88 – 72 – 12 =
14 + 35 + 13 = 67 + 12 + 13 = 44 + 19 + 26 =
34 + 59 – 25 = 25 + 62 – 40 = 23 + 40 – 48 =
时间：（ ）分钟
练习4 姓名： 评分：
13 –4 = 14 – 6 = 16 – 8 =
22 –5 = 22 – 4 = 23 – 8 =
59 – 35 = 63 – 40 = 40 – 38 =
29 + 36 = 49 + 37 = 46 + 35 =
48 – 19 + 26 = 53 – 49 + 77 = 99 – 41 + 35 =
87 – 30 – 13 = 72 – 29 – 24 = 84 – 13 – 25 =
16 + 37 + 15 = 69 + 14 + 15 = 56 + 20 + 17 =
时间：（ ）分钟
练习5 姓名： 评分：
23 –6 = 27 – 9 = 22 – 8 =
24 –5 = 28 – 9 = 24 – 8 =
30 – 23 = 39 – 34 = 63 – 35 =
37 + 25 = 24 + 25 = 34 + 27 =
24 + 38 – 25 = 25 + 37 – 40 = 13 + 58 – 48 =
47 – 19 + 26 = 53 – 16 + 77 = 70 – 41 + 35 =
65 – 28 – 13 = 72 – 25 – 24 = 62 – 13 – 25 =
时间：（ ）分钟
练习6 姓名： 评分：
25 –8 = 26 – 9 = 22 – 8 =
26 –9 = 25 – 9 = 25 – 7 =
38 – 35 = 37 – 33 = 56 – 48 =
29 + 36 = 26 + 77 = 46 + 35 =
24 + 37 + 15 = 69 + 13 + 15 = 56 + 19 + 17 =
33 + 58 – 34 = 34 + 62 – 39 = 33 + 39 – 47 =
47 – 28 + 35 = 53 – 48 + 76 = 88 – 42 + 35 =
时间：（ ）分钟
练习7 姓名： 评分：
22 –3 = 22 – 4 = 23 – 5 =
23 –4 = 24 – 6 = 26 – 8 =
38 – 23 = 53 – 34 = 33 – 35 =
37 + 25 = 28 + 25 = 29 + 27 =
86 – 39 – 23 = 72 – 38 – 33 = 99 – 53 – 35 =
25 + 36 + 24 = 48 + 23 + 24 = 33 + 29 + 37 =
33 + 57 – 33 = 33 + 60 – 38 = 22 + 38 – 46 =
时间：（ ）分钟
练习8 姓名： 评分：
23 –5 = 22 – 4 = 23 – 8 =
23 –6 = 27 – 9 = 23 – 8 =
24 –5 = 28 – 9 = 24 – 8 = 25 –8 = 26 – 9 = 22 – 8 = 46 – 27 + 34 = 52 – 47 + 75 = 77 – 42 + 34 = 85 – 38 – 22 = 70 – 37 – 33 = 88 – 43 – 23 = 24 + 35 + 23 = 47 + 23 + 23 = 24 + 29 + 36 =
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