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第10题
Author:
zhuguokang
GeoGebra
New Resources
兩位數加法
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
異分母分數減法
柱體建築師
Discover Resources
時間參數跳躍函數
多項式
拋物線：切線與弦中點
構作對稱圖形_FK1
例题2（P点可拖动）
Discover Topics
Logic
Optimization Problems
Differential Equation
Translation
Upper and Lower Sum or Riemann Sum