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2023天津数学中考24
Author:
龚洪萍
GeoGebra
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第八周作业1
撒针估算面积实验
常见四边形是否是双心四边形
第八周作业3
双心四边形
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分數與小數
這是什麼圖形？
百變火柴
圆的面积展开的副本
尝试绘本
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Geometric Distribution
Upper and Lower Sum or Riemann Sum
Area
Diagrams
Coordinates