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Quiz on Trigonometric Ratios 辨認三角比：測驗
Author:
Alex CHIK
Topic:
Trigonometry
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
兩位數除以一位數（一）
拼砌四邊形
画直线等分三角形的面积
三位數除以一位數（一）
找出對稱軸
Discover Resources
過圓內一點與圓相切的圓
Copy of 固定周界的長方形的面積變化
earth
長方形面積法 _單項式乘法
勾股树的副本
Discover Topics
Cone
Percentages
Differential Calculus
Integral Calculus
Linear Regression