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World's Second-Hardest Easy Geometry Problem
Author:
Terry Chau
Topic:
Geometry
幾何老題2
GeoGebra
New Resources
算柱 (兩位數)
兩位數除以一位數（二）
第八周作业
三位數除以一位數（一）
兩組對邊相等的四邊形
Discover Resources
三角形內部一點到三頂點最短距離和
Floor plan area
Square Root 平方根
二次函數
二項分佈的副本
Discover Topics
Coordinates
Polynomial Functions
Addition
Volume
Pie Chart or Circle Chart