홈 항목 library logo 글 내
자세히

xiaozi 2020-09-18 10:31:11

小学三年级的数学题：把 1.23838.. (其中 38 无限循环) 表示成分数。

x=1.23838...
100x=123.83838...
100x-x=122.6
x=1226/990=613/495

评论

홈 - 위키
Copyright © 2011-2024 iteam. Current version is 2.137.1. UTC+08:00, 2024-11-08 17:44
浙ICP备14020137号-1 $방문자$