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包絡線：橢圓
Author:
羅驥韡 (Pegasus Roe)
Topic:
Ellipse
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
算柱 (兩位數)
球體建築師
柱體建築師
Discover Resources
題 1
task 1
test
ie 3
指對數函數交點_2
Discover Topics
Trapezoid
Real Numbers
Quadratic Equations
Conic Sections
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