subtraction/basic/easy · 세트 85

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