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折扣 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
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Earth with coastline
美國國旗 (Codex, 2026.10.06)
三半圓間的相切圓(Codex╱2026.10.07)
算柱 (兩位數)
Claude 解幾何題
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基本三角函數
Field function 展示
Ex5D#1
二元线性规划的图解法(18.2 例4)
分数减法 Fraction Subtraction
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Parabola
Root
Terms
Straight Lines
Angles