missing-operator/add-sub-medium · Sada 19

20 problems
1
14 ○ 40 54, what is ○? =
2
2 ○ 7 14, what is ○? =
3
48 ○ 45 3, what is ○? =
4
65 ○ 42 23, what is ○? =
5
27 __ 3 9 =
6
13 ○ 8 21, what is ○? =
7
7 ○ 11 77, what is ○? =
8
4 __ 22 26 =
9
2 ○ 11 22, what is ○? =
10
82 __ 44 38 =
11
58 ○ 16 42, what is ○? =
12
11 __ 10 110 =
13
80 __ 47 33 =
14
9 __ 6 54 =
15
4 ○ 8 32, what is ○? =
16
6 ○ 9 54, what is ○? =
17
58 __ 29 29 =
18
50 ○ 5 10, what is ○? =
19
12 ○ 4 3, what is ○? =
20
42 __ 27 15 =
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