11 + 8 = 19. You seem not to be aware but you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.
-8
The pair of no. Are 8 & 3 Sum is 8+3=11 Product is =8×3= 24
-8 and -3 have a sum of -11 and product of 24
11 and 8 11+8 = 19 11*8 = 88
(5-8)+(1-11) 5-8+1-11 6-19 -13
The sum of 8, 11 and 9 is 28.
11. Sum means to add 3+8=11
It is: -8+3 = -5
-8
11
11. Sum means to add 3+8=11
The pair of no. Are 8 & 3 Sum is 8+3=11 Product is =8×3= 24
-8 and -3 have a sum of -11 and product of 24
11 and 8 11+8 = 19 11*8 = 88
8 & 11
If you mean: -9-10+8 then their sum is -11
(11 + 17)/(7 + 8)