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ptccs2new3
Author:
Cheung Wing Chuen
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
判斷球體
異分母分數減法
【案例】2018年全国1卷理科12题
算柱 (兩位數)
Discover Resources
三角形內部一點到三頂點距離和最小
優良作品1
比較角的大小
a sin(bx+c) + d 的圖形的副本
学用数学 S0
Discover Topics
Trigonometry
Right Triangles
Function Graph
Cosine
Definite Integral