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小青蛙
Author:
彭宇辰
GeoGebra
New Resources
第八周作业
兩位數加法
四邊形的特性
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
推移（x 方向）
聖路易拱門
Angle between a Line and a Plane
Mathematics and Optics (and their applications)
幾何板上的等腰梯形
Discover Topics
Straight Lines
Hypergeometric Distribution
Pie Chart or Circle Chart
Algebra
Line Segment