subtraction/basic/medium · 세트 45

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