any combination of numbers that add up to 63
'Sum' is pretty much a synonym for add, and 63 + 60 = 123.
63 + 63 = 126Another method is: 63 x 2 = 126
20,21 and 22 are three consecutive integers whose sum is 63. 20+21+22
-54
19 + 21 + 23 = 63
45 + 63 - 52 = 56.
3 (21+5)
63
7(7 + 9)
63 and 7
63/2 = 31.5 so the two are 31 and 32.
(21 + 45) / (63 - 52) = 66 / 11 = 6