Question

Calcule:

45+4^2

-28+10^2

-5^2 +11-74^0

(-8)^2 -2-(-1)

Answer 1

45+4^2 
45+16
61

-28+10^2
-28+100
72

-5^2 +11-74^0
25+11-1
35

(-8)^2 -2-(-1)
64-2+1
62+1
63