Give reasons for each of the following steps:
123 + 45 = (1 102 + 2 10 + 3) + (4 10 + 5)
= 1 102 + (2 10 + 4 10) + (3 + 5)
= 1 102 + (2 + 4) 10 + (3 + 5)
= 1 102 + 6 10 + 8
= 168
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.