subtraction/basic/medium · 세트 73

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