622+285 = 907
9 + 9 + 9 + 9 + 9 + 9 + 6 + 6 + 6 + 6 + 2 + 2 + 23 + 3 + 3 + 4 + 4 + 4 = 123
69.1111
8 + 1 = 9 5 + 4 = 9 9 + 9 = 18 ( 8 + 1 + 5 + 4 = 18) The answer is 18.
Commutative Property of Addition
1285 + 622 = 1907
622
622+285 = 907
9 + 9 + 9 + 9 + 9 + 9 + 6 + 6 + 6 + 6 + 2 + 2 + 23 + 3 + 3 + 4 + 4 + 4 = 123
4382
9 + 4 + 4 + 4 + 4 + 4 + 5 = 34
Yes because they all add up to 18
30! 29
Commutativity.
69.1111
9 + 510 + 4 = 523
69.1111