Add:3145887549873928+80394669___________
Add columnwise from right and carry wherever necessary in the adjacent left column.
1121212..................3145887549873928+80394669___________161727472 Here, the top row above dotted line, depicts carry.
Thus, the sum is 16,17,27,472.
Add the following:
ThHTO45513626+1152____________________
Add the following :
x-3y+2z3x+7y-4z2x+2y-3z¯
Add:
-480-238
-107+163
-1083-3974