1 of 6

Slide Notes

DownloadGo Live

标题 的副本

Published on Apr 04, 2016

No Description

PRESENTATION OUTLINE

圆

六十九中 李金霖
Photo by Dominic Alves

圆的周长

直径乘兀 rx兀
Photo by Andreas.

圆的面积

半径2x兀

圆有无数条半径

(或直径)
Photo by XcBiker

要记住

看圆的知识点
Photo by Ben Grey

再见

李金霖
Photo by StuartWebster