balance-scale/3-item/easy · Sada 4

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