5、找规律,继续画下去.

问题描述:

5、找规律,继续画下去.
○△○△○□( ,)( ,)( ,)( .)
□○○□○○( ,)( ,)( ,)( .)
○△○○△○○( ,)( ,)( ,)( .)

○△○△○□(○)(△)(○)(△)(○) (□)
□○○□○○(□)(○)(○)(□) (○) (○)
○△○○△○○(○)(△)(○)(○)(○) (○)(△)