摘要:3.如图2.∠AOC与∠AOD互补.∠BOD与∠AOD互补 . 则可得∠AOC=∠BOD.这是根据 .
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∠DOE
∠DOE
,与∠BOC互补的角为∠AOD
∠AOD
,与∠BOC互余的角为∠COD,∠AOB
∠COD,∠AOB
.
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