(-2)^3 ×(-4)^2÷(-2)^5 calculati

Răspuns :

(-2)^3 * (-4)^2 : (-2)^5 = (-2)^3 : (-2)^5 * (-4)^2 = (-2)^(3-5) * 4^2 = (-2)^(-2) * 4^2 = 4^2 : 2^2 = 16:4 = 4
(-1)^(3+2+5) * 2^(3+2*2-5)=+2^(3-1)=2²=4
as simple as that, desigur!