Contact us
Choose a category below so we can get back to you as quickly as possible.
可以設方形為X,三角形為Y,圓形為Z 所以可以列出 X+Y=12 Y*Z=24 Z*X=18 然後聯立方程,解未知數. 解得方形為36/7,三角形為48/7,圓形為7/2
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.