Addition
6+6
12
10+10
20
8+8
16
7+7
14
9+9
18
17+33
40
12+12
24
10+15
25
14+14
28
15+15
30
12+8
30
13+13
26
16+16
32
10+5
15
16+8
24
100+25
125
50+55
105
70+75
145
53+23
76
100+110
210
125+125
250
300+350
650
500+500
1,000
124+124
148
405+425
830