(1⼀4a^2-a+1)÷(1-1⼀2a)计算

2024-12-16 03:26:51
推荐回答(1个)
回答1:

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