세로 · 세트 99

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