19 + 12 =
31
8 + 27 =
35
9 + 12 =
21
8 + 9 + 2 + 1 =
20
48 + 57 =
105
23 + 49 =
72
419+102 =
521
98 + 35 =
133
152 + 99 =
251
645+299 =
944
853 + 399 =
1252
146 + 144 =
290
792 + 509 =
1301
52 + 17 =
69
34 + 18 =
52
98 + 227
325
