2 22
4 24
6 26
8 28
10 30
12 32
14 34
16 36
18 38
20 40
1+1 = 2, 11+11 = 22
2+2 = 4, 12+12= 24
3+3 = 6, 13+13 = 26
4+4 = 8,14+14 = 28
5+5 =10, 15+15=30
6+6 = 12, 16+16 = 32
7+7 = 14, 17+17 = 34
8+8 + 16, 18+18 = 36
9+9 = 18 19+19 = 38
10+10 = 20, 20+20 =40
2 22
4 24
6 26
8 28
10 30
12 32
14 34
16 36
18 38
20 40
1+1 = 2, 11+11 = 22
2+2 = 4, 12+12= 24
3+3 = 6, 13+13 = 26
4+4 = 8,14+14 = 28
5+5 =10, 15+15=30
6+6 = 12, 16+16 = 32
7+7 = 14, 17+17 = 34
8+8 + 16, 18+18 = 36
9+9 = 18 19+19 = 38
10+10 = 20, 20+20 =40