addition + 10
10+ 20
30
11 +10
21
14+11
25
14-3
12
20 - 10
10
10 + 10
20
7 + 7
14
24 + 11
35
18 - 3
15
30 - 10
20
40 + 10
50
9 + 9
18
35 + 11
46
12 - 3
9
50 - 10
40
70 + 10
80
12 + 12
24
15 + 14
19
17 - 3
14
90 - 20
70
70 + 10
80
15 + 15
30
32 + 11
43
20 - 3
17
100 - 30
70