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①(-2)^3+3×(-1)^2-(-1)^4②-1^100-(1-0.5)×3分之1×[3-(-3)^2]

题目详情
①(-2)^3+3×(-1)^2-(-1)^4
②-1^100-(1-0.5)×3分之1×[3-(-3)^2]
▼优质解答
答案和解析
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