Contact us
Choose a category below so we can get back to you as quickly as possible.
花圃半径をr 2πr=50..24 解得:r=8m 花壇面積:πr²=64π平均各花面積:64π/4=16π約50.24m2
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.