首页
/
每日頭條
/
娛樂
/
一根電線用去1/4還剩3/4米對嗎
一根電線用去1/4還剩3/4米對嗎
更新时间:2025-05-15 17:15:14

  1、比如一根電線長1米,用去1/4,即用去1*1/4=1/4米,還剩下1-1/4=3/4米 ,即1*3/4=3/4米。

  2、以此類推,假設一根電線長n米,用去1/4,即用去n*1/4=n/4米,還剩下n-n/4=3n/4米,即n的3/4,3n/4米。因此,這種說法是對的。

Comments
Welcome to tft每日頭條 comments! Please keep conversations courteous and on-topic. To fosterproductive and respectful conversations, you may see comments from our Community Managers.
Sign up to post
Sort by
Show More Comments
Copyright 2023-2025 - www.tftnews.com All Rights Reserved