Contact us
Choose a category below so we can get back to you as quickly as possible.
例子:3/1000化為百分數 3(100)/1000 =(3/10)/ 100 =(3/10)% 所有的分數乘以100皆得百分數(%)包括千分數. x/y = [(x/y)(100)] / 100 =(x/y)(100)%
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.