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翻折变换
Author:
郑飞宇
Topic:
Functions
,
Function Graph
GeoGebra
New Resources
科赫雪花
百分數及其應用
盈利與虧蝕
第八周作业1
中华人民共和国国旗
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正四面體展開圖
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
Locus (What's wrong)
指数函数的副本
x^3导数求导
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Vectors
Fractions
Scalene Triangles
Tangent Line or Tangent
Numbers