竖式 · 套题 91

20 problems
1
5 - 4 =
2
6 - 2 =
3
9 - 7 =
4
4 - 2 =
5
6 - 3 =
6
6 - 4 =
7
6 - 2 =
8
8 - 7 =
9
3 - 1 =
10
2 - 1 =
11
6 - 5 =
12
5 - 1 =
13
5 - 4 =
14
9 - 3 =
15
6 - 4 =
16
8 - 6 =
17
3 - 1 =
18
3 - 1 =
19
2 - 1 =
20
5 - 2 =
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