82 + 83 + 94 = 259
83
If you have "summation of 83 82 83" equal to 82.66... you are clearly making a serious error.
It is: 97+83 = 180
811 + 82 = 893
=83+2
83
157
-83 + 24 +(-19)= -102+ 24= -78
n+37=83.
The answer is 983.
1 + 0 + 9098888 - 83 - 99 = 9,098,707