计算一道题
(4-x)/(x-2)除以(x+2-12/(x-2)),其中x=根号3-4
参考答案:(4-x)/(x-2)除以(x+2-12/(x-2))
=(4-x)/(x-2)除以(x^2-16)/(x-2)
=(4-x)/(x-4)(x+4)
=-x-4
=-√3
(4-x)/(x-2)除以(x+2-12/(x-2)),其中x=根号3-4
参考答案:(4-x)/(x-2)除以(x+2-12/(x-2))
=(4-x)/(x-2)除以(x^2-16)/(x-2)
=(4-x)/(x-4)(x+4)
=-x-4
=-√3