balance-scale/2-item/expert · Sada 2

20 problems
1
[?] 16 =
2
[2 + ?] 11 =
3
[6 + ?] 13 =
4
[?] 7 =
5
[?] 16 =
6
[?] 4 =
7
[4 + 5 + ?] 15 =
8
[3 + 4 + ?] 13 =
9
[3 + 1 + ?] 11 =
10
[10 + ?] 23 =
11
[1 + 2 + ?] 10 =
12
[?] 19 =
13
[1 + 1 + ?] 4 =
14
[2 + ?] 9 =
15
[?] 6 =
16
[1 + ?] 14 =
17
[6 + ?] 20 =
18
[1 + 1 + ?] 4 =
19
[?] 16 =
20
[4 + ?] 21 =
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