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門格海綿
Author:
吳政憲
GeoGebra
A1={polygon(A,B,C,D)} A2=Join(dilate(A1,1/3,A),dilate(A1,1/3,B),dilate(A1,1/3,C),dilate(A1,1/3,D),dilate(A1,1/3,(A+B)/2),dilate(A1,1/3,(B+C)/2),dilate(A1,1/3,(C+D)/2),dilate(A1,1/3,(D+A)/2))
New Resources
異分母分數減法
兩位數除以一位數(一)
畫出對稱圖形
【案例】2018年全国1卷理科12题
三位數除以一位數(二)
Discover Resources
Liu Hui's Method of Finding π
特課ggb第一堂課hw1
二元一次不等式
中研院數學所
拋物線3-平行四邊形法
Discover Topics
Line Segment
Means
Matrices
Random Variables
General Quadrilateral