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分數約分
Author:
Cobie Lo
GeoGebra
New Resources
兩位數除以一位數（一）
球體建築師
拼砌四邊形
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
Quiz on Joint Variation 聯變：測驗
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
實數相乘相加的幾何意義(數線上)
函數的面積 (黎曼和)的副本
新手任务1-一次函数、二次函数的绘制
Discover Topics
Differential Calculus
Equilateral Triangles
Similar Triangles
Tree Diagrams
Line Segment