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平移B
Author:
晶晶 胡
GeoGebra
New Resources
第八周作业
異分母分數減法
四邊形的特性
兩位數除以一位數（二）
画直线等分三角形的面积
Discover Resources
Demo
exp. functions
Angle between line and plane
量度長度(厘米)
三角形面积关于动点行程的函数图像
Discover Topics
Intersection
Tree Diagrams
Difference and Slope
Linear Programming or Linear Optimization
Parabola