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密鋪7
Author:
chen mingchuan
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
判斷球體
【案例】圆柱体内放置一个大球六个小球
四邊形的特性
三位數除以一位數（二）
Discover Resources
整數÷整數_工作紙（一）_題7
圓錐的截面
PMC 2014-15 Q1
三棱锥的三视图
椭圆第一定义
Discover Topics
Straight Lines
Sine
LCM and GCD
Cosine
Geometric Mean