5、找规律,继续画下去.
问题描述:
5、找规律,继续画下去.
○△○△○□( ,)( ,)( ,)( .)
□○○□○○( ,)( ,)( ,)( .)
○△○○△○○( ,)( ,)( ,)( .)
答
○△○△○□(○)(△)(○)(△)(○) (□)
□○○□○○(□)(○)(○)(□) (○) (○)
○△○○△○○(○)(△)(○)(○)(○) (○)(△)