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《梯形等积变形》
Author:
肖老师
,
郭雪芹
Topic:
Area
,
Geometry
,
Trapezoid
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數（一）
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
Discover Resources
F5 rev exercise Q16b
畢氏定理的圖形證明法
Copy of 固定面積的圖形的周界變化
堆疊正立方體的副本
翰林數學_2下_CH3-2_RHS證明
Discover Topics
General Quadrilateral
Intersection
Piecewise Functions
Linear Equations
Orthocenter