Answer:
Hope this helps :)
a) (+12) ÷ (+4) = 3
c) (-18) ÷ (+9) = - 2
e) (+72) ÷ (-8) = - 9
g) (-14) ÷ (+1) = - 14
i) (-27) + (-3) = - 30
b) (-15) ÷ (-3) = 5
d) (+81) ÷ (-9) = - 9
f) (-64 : (-8) =
If the sign is +, then the answer is - 72.
If the sign is ÷, then the answer is positive 8.
If the sign is x, then the answer is positive 512.
If the sign is - , then the answer is - 56.
h) (+54) ÷ (-6) = - 9
j (+32) + (+4) = 36