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平行四邊形
Author:
Yip Chi Wai
Topic:
Parallelogram
GeoGebra
New Resources
近似值：有效數字
兩位數除以一位數（一）
四邉形 (四年級) 教師版
小数 的副本
球體建築師
Discover Resources
EnergyMath 2-3 棣美弗定理
跑馬燈
趙緹的GGB繪本
梯形的面積
根據百分率找數量（一）:例1的副本
Discover Topics
Translation
Random Variables
Expected Value
Solids or 3D Shapes
Perimeter