27, 28, 29, __, __
30, 31
5, 10, __, 20, 25, __
15,30
6 + 0
6
6 + 4
10
3+4
7
10,20, __, __, 50
30,40
4 + 7 =
11
40, 39, 38, __, 36
37
31, 32, 33, __, 35, __
34, 36
4 + __ = 9
5
2,4,6,8,10,__, 14, __, 18, 20
12,16
2,3,4,5,__,__,8,9,10
6,7
2+4
6
0, 2,__,__, 8, __
4,6,10
5 + __ = 10
5