|3-2根号2|-|2根号2-1|绝对值是多少?

2024-12-21 00:03:59
推荐回答(4个)
回答1:

根号2≈1.141
|3-2根号2|-|2根号2-1|=3-2根号2-2根号2+1=4
4的绝对值是4

回答2:

|3-2根号2|-|2根号2-1|
=3-2√2-2√2+1
=4-4√2
=4(1-√2)<0.
=>|3-2根号2|-|2根号2-1|绝对值是4√2-4.

@@@
3>2√2>√2>1.

回答3:

根号2≈1.141
|3-2根号2|-|2根号2-1|=3-2根号2-2根号2+1=4
4的绝对值是4
希望能帮助你!

回答4:

|3-2根号2|-|2根号2-1|绝对值是多少?
=|3-2根号2-2根号2+1|
=|3-2根号2-2根号2+1|
=|4-4根号2|
=4根号2-4