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相反數
Author:
pingfeng.wu
Topic:
Fractions
國中數學7上：相反數
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
判斷球體
異分母分數減法
兩組對邊相等的四邊形
Discover Resources
猴子攀樹
奈格爾點與葛爾崗點互為等距共軛點
多重指令
周界-平移法(練習四)
GeoGebra成像规律的演示
Discover Topics
Real Numbers
Cuboid
Set Theory
Complex Numbers
Statistical Characteristics