I wouldn't. 33 + 89 = 90 + 32 = 90 + 10 + 22 = 100 + 22 = 122. That is the full process but it takes no time to do it really.
0.3708
89
30 + 90 = 120
70 + 19 = 89 or: the sum of 70 and 19 is 89
The sum of 56 and 33 is 89.
I wouldn't. 33 + 89 = 90 + 32 = 90 + 10 + 22 = 100 + 22 = 122. That is the full process but it takes no time to do it really.
0.3708
89
30 + 90 = 120
It is: 27+89 = 116
70 + 19 = 89 or: the sum of 70 and 19 is 89
34.6 + 89 = 123.6
67 + 89 = 156
100
The sum of 101 and 89 is 190.
89 + x = x +89