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龍騰4_1-1課例2
Author:
廖傑成
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
拼砌四邊形
異分母分數減法
兩位數加法
Discover Resources
圓圈圈
滾球平台
虎牙
兩位數除三位數(商>10)
Copy of Triangular Number
Discover Topics
Cosine
LCM and GCD
Percentages
Cylinder
Step Functions