如图,OC在∠AOB的内部,点OM、ON分别是∠AOC、∠BOC的角平分线.(1)若OC在∠AOB内部任一条射线,∠AOB=140°,求∠MON的度数;(2)若OC在∠AOB的外部,且满足∠AOC - ∠BOC=y°,OM、ON分别为∠AOC、∠BOC的
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![如图,OC在∠AOB的内部,点OM、ON分别是∠AOC、∠BOC的角平分线.(1)若OC在∠AOB内部任一条射线,∠AOB=140°,求∠MON的度数;(2)若OC在∠AOB的外部,且满足∠AOC - ∠BOC=y°,OM、ON分别为∠AOC、∠BOC的](/uploads/image/z/1106252-44-2.jpg?t=%E5%A6%82%E5%9B%BE%2COC%E5%9C%A8%E2%88%A0AOB%E7%9A%84%E5%86%85%E9%83%A8%2C%E7%82%B9OM%E3%80%81ON%E5%88%86%E5%88%AB%E6%98%AF%E2%88%A0AOC%E3%80%81%E2%88%A0BOC%E7%9A%84%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BF.%EF%BC%881%EF%BC%89%E8%8B%A5OC%E5%9C%A8%E2%88%A0AOB%E5%86%85%E9%83%A8%E4%BB%BB%E4%B8%80%E6%9D%A1%E5%B0%84%E7%BA%BF%2C%E2%88%A0AOB%3D140%C2%B0%2C%E6%B1%82%E2%88%A0MON%E7%9A%84%E5%BA%A6%E6%95%B0%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5OC%E5%9C%A8%E2%88%A0AOB%E7%9A%84%E5%A4%96%E9%83%A8%2C%E4%B8%94%E6%BB%A1%E8%B6%B3%E2%88%A0AOC+-+%E2%88%A0BOC%3Dy%C2%B0%2COM%E3%80%81ON%E5%88%86%E5%88%AB%E4%B8%BA%E2%88%A0AOC%E3%80%81%E2%88%A0BOC%E7%9A%84)
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