已知,如图,点E在AC上,点F在AB上,BE,CF交于点O,且∠C-∠B=20°,∠EOF-∠A=70°,求∠C的度数..
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![已知,如图,点E在AC上,点F在AB上,BE,CF交于点O,且∠C-∠B=20°,∠EOF-∠A=70°,求∠C的度数..](/uploads/image/z/15179616-0-6.jpg?t=%E5%B7%B2%E7%9F%A5%2C%E5%A6%82%E5%9B%BE%2C%E7%82%B9E%E5%9C%A8AC%E4%B8%8A%2C%E7%82%B9F%E5%9C%A8AB%E4%B8%8A%2CBE%2CCF%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E4%B8%94%E2%88%A0C-%E2%88%A0B%3D20%C2%B0%2C%E2%88%A0EOF-%E2%88%A0A%3D70%C2%B0%2C%E6%B1%82%E2%88%A0C%E7%9A%84%E5%BA%A6%E6%95%B0..)
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