2根3+4-√3⼀2等于多少?

2025-12-14 03:46:12
推荐回答(1个)
回答1:

2根3+4-√3/2等于3/2 √3+4
(2√3-1/2 √3)+4
=(4/2 √3-1/2√3) +4
=3/2 √3+4