lg【x/(1-x)】≤1,x的取值范围(2x-1)^(1/2)
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lg【x/(1-x)】≤1,x的取值范围(2x-1)^(1/2)
lg【x/(1-x)】≤1,x的取值范围
(2x-1)^(1/2)
lg【x/(1-x)】≤1,x的取值范围(2x-1)^(1/2)
1、
x^1/2=√x,是增函数
且根号下大于等于0
0