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棋盤的 L 形覆蓋
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
拼砌四邊形
找出對稱軸
Discover Resources
Integer
如何判斷曲線夠不夠圓
perimeter
面積的量度
拋物線生活應用