balance-scale/2-item/expert · Sett 7

20 problems
1
[2 + 4 + ?] 12 =
2
[1 + 2 + ?] 18 =
3
[2 + ?] 5 =
4
[?] 16 =
5
[?] 17 =
6
[?] 6 =
7
[4 + 5 + ?] 15 =
8
[8 + ?] 18 =
9
[4 + 6 + ?] 19 =
10
[2 + ?] 22 =
11
[?] 5 =
12
[6 + 2 + ?] 20 =
13
[3 + ?] 15 =
14
[1 + ?] 14 =
15
[1 + 1 + ?] 4 =
16
[?] 20 =
17
[5 + ?] 21 =
18
[?] 13 =
19
[?] 23 =
20
[3 + 1 + ?] 10 =
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