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gjh-e01-04 未知數角度的三角形
Author:
張芃婕
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
四邉形 (四年級) 教師版
兩位數除以一位數（二）
三位數除以一位數（一）
Discover Resources
ddsdsad
line equation
Angle Sum in a Triangle
gjh-g02-00 單項乘以兩項差
正四面體碎形
Discover Topics
Cone
Percentages
Optimization Problems
Cosine
Symmetry