subtraction/basic/medium · 세트 85

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