计算:({-1+根号3}/2)^2

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计算:({-1+根号3}/2)^2计算:({-1+根号3}/2)^2计算:({-1+根号3}/2)^2计算:({-1+根号3}/2)^2={-1+根号3}^2/4=(1-2根号3+3)/4=(4-2根

计算:({-1+根号3}/2)^2
计算:({-1+根号3}/2)^2

计算:({-1+根号3}/2)^2
计算:
({-1+根号3}/2)^2
={-1+根号3}^2/4
=(1-2根号3+3)/4
=(4-2根号3)/4
=1-1/2根号3

((-1*(3^(1/2)))/2)^2 = 0.75
求采纳

解({-1+根号3}/2)^2
=[(-1+√3)/2]^2
=[(√3-1)/2]^2
=(√3-1)²/2²
=(3-2√3+1)/4
=(4-2√3)/4
=1-√3/2.