Add Sub 2 Digit · Set 3

20 problems
1
53 + 52 =
2
33 - 15 =
3
81 + 80 =
4
60 - 59 =
5
19 + 18 =
6
87 - 47 =
7
47 + 46 =
8
25 - 15 =
9
75 + 74 =
10
52 - 49 =
11
94 - 87 =
12
45 + 46 =
13
67 - 56 =
14
17 + 18 =
15
40 - 19 =
16
79 + 80 =
17
13 - 12 =
18
51 + 52 =
19
75 - 73 =
20
23 + 24 =
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