解:(Ⅰ)当x∈(﹣1,0)时,﹣x∈(0,1),由f(x)为R上的奇函数,
得f-x=fx=2
A dog has a piece(片) of meat in his mouth. He sees himself(他自己) in the water. He thinks it is another dog. That dog has a piece of meat in his mouth,too. He wants to get(得到) his meat. Then he can have two pieces. He opens his mouth to bark(吠叫) and his meat goes down into(在……里面) the water.
—He also set up Tongmenghui with Huang Xing.
如图,有以下列判断:①∠1与∠3是内错角;②∠2与∠3是内错角;③∠2与∠4是同旁内角;④∠2与∠3时同位角.其中,正确的说法有( )
如图,M为⊙O上一点,弧MA=弧MB,MD⊥OA于D,ME⊥OB于E,求证:MD=ME.