subtraction/basic/easy · 세트 9

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