Question

(-2)^3×(1-(-1/4))×0.5

①(-2)^3＋3×(-1)^2-(-1)^4
②-1^100-(1-0.5)×3分之1×[3-(-3)^2]

Answer 1

①(-2)^3＋3×(-1)^2-(-1)^4
=-8+3×1-1
=-8+3-1
=-5-1
=-6
②-1^100-(1-0.5)×3分之1×[3-(-3)^2]
=-1-0.5×(1/3)×(3-9)
=-1-(1/2)×(1/3)×(-6)
=-1-(1/6)×(-6)
=-1+1
=0