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公切線的條數
Author:
李春培
公切線的條數
GeoGebra
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直線的斜率
探究三角形的全等條件
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數(二)
第八周作业
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人造「四腳獸」?
龍騰4_1-1課例2
圓內正方形夾小圓
a sin(bx+c) +d
腾讯网
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Area
Coordinates
Distributions
Algebra
Correlation