按图所示填空.(1)∠AOB+∠BOC=______;?(2)∠AOC+∠COD=______;(3)∠BOD-∠COD=______;?(4)∠AOD-______

发布时间:2020-08-11 21:43:52

按图所示填空.
(1)∠AOB+∠BOC=______;?
(2)∠AOC+∠COD=______;
(3)∠BOD-∠COD=______;?
(4)∠AOD-______=∠AOB.

网友回答

解:(1)∠AOB+∠BOC=∠AOC;?
(2)∠AOC+∠COD=∠AOD;
(3)∠BOD-∠COD=∠BOC;?
(4)∠AOD-∠BOD=∠AOB.
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