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Linear Inequalities in Two Unknowns 二元一次不等式
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
Nested spiral octagon
長方體平面投影 (Codex版)
近似值：有效數字
拼砌四邊形
美國國旗 (Codex 版)
Discover Resources
七巧板（tangram）
塗色
面、面相交
Similar triangles in a triangle
我的第一个GGB绘本
Discover Topics
Rectangle
Exponential Functions
Arithmetic Operations
Parabola
Statistics