Question

What is the sum of product of the following

-5 +8
-2 +3
-6 +4
1 +(-7)
4 + (-9)​
11 + (-8)
-8 + (-5)
-2+(3)
-6+(4)
-1+(-7)
-4+(-9)
7×(-7)
8×(-4)
-9×3
-8×(-8)
-6×(-6)
-9×(-9)
-7×(-3)
-6×(-8)

Answer 1

(1). 3 (2).1 (3) -2 (4). -6 (5). -5 (6). 3 (7). -13 (8). 1 (9). -2 (10). -8 (11). -13 (12) -49 (13). -32 (14) -27 (15). 64 (16). 36 (17). 81 (18). 21 (19). 48

Explanation:

i do not know if you still need these answers but here they are