[(x-2)-1]/[√(x-2)-1]=[(x-5)-4]/[√(x-5)-2]
分子平方差
[√(x-2)-1][√(x-2)+1]/[√(x-2)-1]=[√(x-5)-2][√(x-5)+2]/[√(x-5)-2]
√(x-2)+1=√(x-5)+2
√(x-2)=√(x-5)+1
平方
x-2=x-5+2√(x-5)+1
√(x-5)=1
x-5=1
x=6
{(根号X-2)-1}分之(X-3)={(根号X-5)-2}分之(X-9)
{(根号X-2)-1}分之(X-3)={(根号X-5)-2}分之(X-9)
数学人气:820 ℃时间:2020-03-26 05:19:52
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