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quiz 9.1 2(a)
Author:
lamanleung
GeoGebra
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球體建築師
判斷球體
兩組對邊相等和有直角的四邊形
柱體建築師
兩位數除以一位數（二）
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百分數：折扣、盈利與虧損
外心垂心問題
讚2
[洋葱] 2019河北中考25 圆与四边形
y=asin(bx+theta)+c
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Differential Calculus
Arithmetic Mean
Indefinite Integral
Logarithmic Functions
Numbers