(-1)的4次方-[2-(三分之一乘0.5)]乘[ - 知识问答

(-1)的4次方-[2-(三分之一乘0.5)]乘[3的二次方-（-2）的二次方]=?

3个回答

(-1)^4-[2-(1/3x0.5)]x[3^2-(-2)^2]
=1-[2-(1/3x1/2)]x(9-4)
=1-(2-1/6)x5
=1-(12/6-1/6)x5
=1-11/6x5
=1-55/6
=6/6-55/6
=-49/6

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