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梯形
Author:
Chan Ting Hin
Topic:
Trapezoid
GeoGebra
New Resources
兩位數除以一位數（一）
三位數除以一位數（一）
兩位數加法
拼砌四邊形
算柱 (兩位數)
Discover Resources
waaachen
高線
intersection: surface-surface, curve-curve
銳角、直角和鈍角
比較五件物件的重量
Discover Topics
Exponent
Trigonometric Functions
Cone
Correlation
Hypothesis Testing