由a/b=b/c=c/a ,abc≠0 => a^2=bc,b^2=ac,c^2=ab
=>(a^2/b^2)=bc/ac=b/a =>a^3=b^3 =>a=b
同理b=c,a=c; 故a=b=c.
楼主的思路是对的,但是a值未知,答案是(2a+1).
由a/b=b/c=c/a ,abc≠0 => a^2=bc,b^2=ac,c^2=ab
=>(a^2/b^2)=bc/ac=b/a =>a^3=b^3 =>a=b
同理b=c,a=c; 故a=b=c.
楼主的思路是对的,但是a值未知,答案是(2a+1).