1
/
20
31 + 60 = 
2
/
20
43 + 40 =
3
/
20
23 + 40 =
4
/
20
37 + 40 =
5
/
20
30 + 21 =
6
/
20
40 + 44 =
7
/
20
40 + 37 =
8
/
20
10 + 90 =
9
/
20
10 +19 =
10
/
20
44 + 30 =
11
/
20
60 + 31 =
12
/
20
37 + 40 =
13
/
20
20 + 59 =
14
/
20
40 + 35 =
15
/
20
46 + 50 =
16
/
20
29 + 70 =
17
/
20
47 + 10 =
18
/
20
13 + 80 =
19
/
20
27 + 40 =
20
/
20
19 + 70 =