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Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
Author:
Alex CHIK
Topic:
Numbers
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
【案例】圆柱体内放置一个大球六个小球
兩位數加法
兩位數除以一位數（二）
三位數除以一位數（二）
四邊形的特性
Discover Resources
square construction
Standard Deviation (one data set) 標準差（一組數據）
圆柱展开成平行四边形2
等差数列、等比数列
随机三角形背景
Discover Topics
Surface
Difference and Slope
Linear Programming or Linear Optimization
Statistical Characteristics
Right Triangles