If the ratio of the degree of exterior angle of ∠A,∠B and ∠Cthat are in the triangle ABC is 5:4:3,then the ratio of the degree of ∠A,∠B and ∠C is ( )A、5:4:3 B、3:4:5 C、1:2:3 D3:2:1
已知二次根式与是同类二次根式,则a的值可以是( )
与2是同类二次根式的是( )
下列二次根式中与是同类二次根式的是( )
下列二次根式与不是同类二次根式的是( )
下列根式中,与3是同类二次根式的是( )