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拋物線5--包絡線法
Author:
06房石祐
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
近似值：有效數字
異分母分數減法
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七巧板貓咪
圖一
矩陣
畢氏定理的副本
AP的中點所形成的圖形的副本
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Kite
Subtraction
Standard Deviation
Vectors
Vectors 3D (Three-Dimensional)