(4×x^2-4×x+1)÷(2x-1)等于多少？
(4×x^2-4×x+1)÷(2x-1)
=（2x-1)^2÷(2x-1)
=2x-1
分式化简(4×x^2-4×x+1)÷(2x-1)=（2x-1）^2÷（2x-1）=2x-1
