1 digit +1 digit
5+3
8
10+2
12
10+15
25
10+100
110
100+250
350
6+5
11
10+6
16
10+20
30
12+120
132
230+620
850
7+7
14
20+6
26
25+25
50
58+110
168
652+304
956
9+5
14
22+9
31
38+42
80
99+120
219
598+423
1021
9+8
17
84+8
92
17+52
69
58+354
412
654+329
983