资讯

Amazon Supposedly Asked Job Applicants to Solve This ‘Hanging Cable’ Problem

A cable of 80 meters is hanging from the top of two poles that are both 50 meters off the ground. What is the distance ...
Yahoo4 年

Tutor's 'insane' math trick apparently 'works every time': 'Why didn't teachers show us this?'

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok’s resident math whiz. When she’s not working as a professional tutor, she’s teaching the internet the ...
Yahoo4 年

Tutor's 'insane' math trick apparently 'works every time'

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok's resident math whiz. When she's not working as a professional tutor, she's teaching the internet the ...