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play tennis
Author:
李春培
play tennis
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
判斷球體
【案例】2018年全国1卷理科12题
找出對稱軸
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比和比值
三個交點
四角柱(底面為可調整梯形)
拋物線2--焦點法
橢圓(左右型)標準式
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Continuity
Algebra
Geometry
Trapezoid
Percentages