Contact us
Choose a category below so we can get back to you as quickly as possible.
底面周長相等,則底面半徑相等,底面積也相等 它們體積的比 =(1*8):(1*9/3) =8:3
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.