Vertical · Série 44

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