Answer:
2+2 is 4-1=3 quick maths
Step-by-step explanation:
2+(2) is the same to adding 2+2 because the "(" " )" just mean the you have to add the 2 + 2 just like----- 2+2
5
n + m -2(m-m)
Combine like terms
n+m+2(0)
n+m
Let m=3 and n=2
2+3
Answer: 90
They're 9 floors apart
