(5+ √6)(3 √2-2 √3)等于多少?

2024-11-23 09:36:58
推荐回答(3个)
回答1:

(5+ √6)(3 √2-2 √3)=15√2-10√3+3 √12-2√18
=15√2-10√3+6√3-6√2
=9√2-4√3=5.7997

回答2:

-|-2/3-(-1/3)|+|(-1/5)+(-3/5)|
=-|-2/3+1/3|+|-4/5|
=-1/3+4/5
=7/15

回答3:

9√2-4√3