3 + 3 =
6
70 + 70 =
140
5 + 5 =
10
11 + 11 =
22
500 + 500 =
1000
22 + 22 =
44
25 + 25 =
50
18 + 18 =
36
300 + 300 =
600
15 + 15 =
30
19 + 19 =
38
100 + 100 =
200
60 + 60 =
120
6 + 6 =
12
8 + 8 =
16
13 + 13 =
26
12 + 12 =
24
200 + 200 =
400
50 + 50 =
100
9 + 9 =
18
30 + 30 =
60
2 + 2 =
4
17 + 17 =
34
250 + 250 =
500
10 + 10 =
20
4 + 4 =
8
16 + 16 =
32
14 + 14 =
28
40 + 40 =
80
80 + 80 =
160
20 + 20 =
40