Question

4^2*4^-3-1,5^0-2:2^-2

Answer 1

4^2*4^-3-1,5^0-2:2^-2=4^2/4^3-(1,5)^0-2/2^(-2)=1/4-1-2*2^2=1/4-9=-8,75

Answer 2

=4^(-1)-1-2^3=1/4-9=-8.75