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周界
Author:
YIP
,
Anthony OR 柯志明
GeoGebra
GeoGebra
New Resources
三位數除以一位數(一)
三位數除以一位數(二)
第八周作业
垂直線的斜率
祖冲之的期望:内棋与外棋
Discover Resources
proof SSS
任意四邊形1比3
What's wrong
探究余弦定理
诱导公式五(90°+α)
Discover Topics
Integers
Cuboid
Linear Regression
Parabola
Multiplication