2 + 4 + 5 =
3 + 7 =
3 + 5 + 4 =
10 + 4 =
70 + 10 =
50 + 10 =
30 + 10 =
10 + 7 =
60 + 10 =
20 + 10 =
11
30
70
60
10
17
14
40
12
80
