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賺賠:例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
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【案例】2018年全国1卷理科12题
四邊形的特性
四邉形 (四年級) 教師版
画直线等分三角形的面积
兩位數除以一位數(一)
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大園寶
常用等价无穷小示意图
area 面積3
乘法加工
活工(三)Q2
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LCM and GCD
Vectors
Cylinder
Linear Programming or Linear Optimization
Line Segment