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Quiz on Solving Right Triangles (Finding Side Lengths) 解直角三角形：測驗1（求邊長）
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
畫出對稱圖形
第八周作业
兩位數除以一位數（二）
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
滾動
整數或分數÷分數_ 工作紙（一）_題2b
坐標幾何
鉛筆畫圓
二次函数y=ax²（a＞0)
Discover Topics
Quadrilaterals
Cuboid
Polynomial Functions
Means
Numbers