Contact us
Choose a category below so we can get back to you as quickly as possible.
分析:木料截成兩段,新增的表面積就是截斷面的兩個圓面積. 圓柱底面積=4.8÷2=2.4DM²; 圓木原體積=底面積×木料長 =2.4×(4×10) =96 DM³; 答題力求★條理清晰,步驟詳盡,讓問者一目了然★. 一定要選為最佳答案鼓勵我一下哦.
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.