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Comparing fractions using number lines and rectangles
Author:
Eva Lai
GeoGebra
New Resources
判斷球體
三位數除以一位數（二）
錐體建築師
兩組對邊相等的四邊形
兩位數加法
Discover Resources
門格海綿 (Menger Sponge)
方塊六面
蛇行腳踏車
bay1-2&1-3
勾股定理介绍及证明
Discover Topics
Normal Distribution
Sine
Arithmetic Operations
Histogram
Exponential Functions