subtraction/basic/medium · 세트 18

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