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自學材料_兩位數乘兩位數
Author:
Cychoy
Topic:
Multiplication
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
第八周作业
錐體建築師
拼砌四邊形
【案例】2018年全国1卷理科12题
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HW1121505
空間線性組合
area 面積
多物件逐一動畫
華容道Klotski Puzzle-一橫四豎(三國版)
Discover Topics
Natural Numbers
Root
Similar Triangles
Diagrams
Rectangle