Vertical · Série 37

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