-√2⼀10×√2⼀3+7√2⼀10×1⼀2等于多少?

2025-05-18 03:00:09
推荐回答(1个)
回答(1):

-√2/10×√2/3+7√2/10×1/2
=-2/30+7√2/20
=7√2/20-1/15