Question

(-2)^4:4^2-4^2:(-2)^3

Answer 1

$\sf (-2)^{4} \div4^{2}-4^{2}\div(-2)^{3}\\ \sf 2^{4}\div2^{4}-4^{2}\div(-2^{3})\\ \sf 1-4^{2}\div(-2^{3})\\ \sf 1-4^{2}\div2^{3}\\ \sf 1-2^{4}\div2^{3}\\ 1+2\\ \large\boxed{{\sf \red3{}}}$