Contact us
Choose a category below so we can get back to you as quickly as possible.
是這個圖吧?由圖可以建立一聯等式:4b+a=6a=5c將a,b用c表示,得到:a=5c/6,b=(5c-a)/4=25c/24故a:b:c=20:25:24
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.