题目内容
如图,完成下列填空:
(1)∠BOD = ∠BOC + ( );
(2) ∠AOC = ( )+( );
(3) ∠AOB = ( )+( )+( );
(4) ∠AOD+∠BOC = ( ) -( )
(1)∠BOD = ∠BOC + ( );
(2) ∠AOC = ( )+( );
(3) ∠AOB = ( )+( )+( );
(4) ∠AOD+∠BOC = ( ) -( )
(1)∠COD
(2) ∠AOD , ∠COD
(3) ∠AOD , ∠COD , ∠BOC
(4) ∠AOB , ∠COD
(2) ∠AOD , ∠COD
(3) ∠AOD , ∠COD , ∠BOC
(4) ∠AOB , ∠COD
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