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分數乘法
Author:
Li Lok Man
GeoGebra
New Resources
垂直線的斜率
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
祖冲之的期望：内棋与外棋
讀磅
Discover Resources
Difference of Two Squares 平方差 (2)
CircleRoundCircle
兩向量的比
中研院數學所
讀磅 2（公斤和克）
Discover Topics
Polygons
Prism
Probability
Congruence
Definite Integral