计算:(x^2-x+1⼀4)÷(1-2x)=?

2025-01-02 20:52:23
推荐回答(2个)
回答1:

(x^2-x+1/4)÷(1-2x)
=(4x^2-4x+1))÷4(1-2x)=(2x-1)^2÷4(1-2x)=-1/4(2x-1)

回答2:

1/4-x/2