our living room is very big. our 提问
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正方形,是特殊的平行四边形之一。即有一组邻边相等,并且有一个角是直角的平行四边形称为正方形,又称正四边形。正方形,具有矩形和菱形的全部特性。
咨询记录 · 回答于2023-03-06
our 提问
our living room is very big.
our living room is very big.
our 提问
our living room is very big.
our 提问
our living room is very big.
our 提问
our living room is very big.
our 提问
our living room is very big.