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PPT第五頁
Author:
tryit
GeoGebra
New Resources
撒针估算面积实验
异形操场
常见四边形是否是双心四边形
双心四边形
第八周作业2
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給錐體一個名字 1
P8-3
天干與地支
分數認識
“勾股树”最极易迭代法单晨制作实验16
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Upper and Lower Sum or Riemann Sum
Vectors
Distributions
Rotation
Perimeter