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直线与圆相切
Author:
蔡永志
直线与圆相切
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
四邊形的特性
画直线等分三角形的面积
三位數除以一位數（二）
Discover Resources
海市蜃樓現象
concurrence of medians and bimedians of tetrahedron
tan graph 變換
P63-2
Effects on Dispersion
Discover Topics
Algebra
Frequency Distribution
Integers
Coordinates
Integral Calculus