丨根号2+2丨-丨1-根号2丨+根号1⼀4=?

2025-04-14 06:31:41
推荐回答(3个)
回答1:

=(根号2+2)-(1-根号2)+根号1/4
=根号2+2-根号2+1+1/2
=7/2

回答2:

7/2-√2。原式=2-(√2-1)+1/2 =2-√2+1+1/2 =7/2-√2

回答3: