The sum of 10 plus 8 is 18.
10
12/10+2=12
-8 minus 10 -8 plus 10
the sum of 10 + 10 = 20
The sum of 8 and 2 is 10
The sum of 1/10 and 8/10 = 9/10
The total sum is 56
the sum of 80 + 20 + 90 + 10 = 200
The sum is: 8
-8.
The sum of 1/8 and 3/10 is 17/40