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congruent (SSS) 2
Author:
Ricky Chan
GeoGebra
New Resources
兩組對邊相等的四邊形
近似值：有效數字
兩位數除以一位數（一）
畫出對稱圖形
柱體建築師
Discover Resources
畢式定理 (08)
體積的量度 3
分數(約分)
DSE Mathematics
除法Q5