Adding
8 + 9 =
8 + 9 = 17
7 + 5 =
7 + 5 = 12
8 + 6 =
8 + 6 = 14
17 + 11 =
17 + 11 = 28
23 + 8 =
23 + 8 = 31
15 + 14 =
15 + 14 = 29
64 + 33 =
64 + 33 = 97
84 + 24 = 108
77 + 44 =
77 + 44 = 121
430 + 55 =
430 + 55 = 485
575 + 44 = 619
324 + 55
324 + 55 = 379
337 + 557 =
337 + 557 = 894
541 + 433 =
541 + 433 = 974
778 + 221 =
778 + 221 = 999