如图,已知射线CB平行OA ,∠C=∠OAB=120°,E,F,在CB上,且满足∠FOB= ∠AOB,OE平分∠COF.如图,已知射线CB平行OA ,∠C=∠OAB=120°,E,F,在CB上,且满足∠FOB= ∠AOB,OE平分∠COF.(1)若平行移动AB,那么∠OBC:∠OFC
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![如图,已知射线CB平行OA ,∠C=∠OAB=120°,E,F,在CB上,且满足∠FOB= ∠AOB,OE平分∠COF.如图,已知射线CB平行OA ,∠C=∠OAB=120°,E,F,在CB上,且满足∠FOB= ∠AOB,OE平分∠COF.(1)若平行移动AB,那么∠OBC:∠OFC](/uploads/image/z/3877741-37-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5%E5%B0%84%E7%BA%BFCB%E5%B9%B3%E8%A1%8COA+%2C%E2%88%A0C%3D%E2%88%A0OAB%3D120%C2%B0%2CE%2CF%2C%E5%9C%A8CB%E4%B8%8A%2C%E4%B8%94%E6%BB%A1%E8%B6%B3%E2%88%A0FOB%3D+%E2%88%A0AOB%2COE%E5%B9%B3%E5%88%86%E2%88%A0COF.%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5%E5%B0%84%E7%BA%BFCB%E5%B9%B3%E8%A1%8COA+%2C%E2%88%A0C%3D%E2%88%A0OAB%3D120%C2%B0%2CE%2CF%2C%E5%9C%A8CB%E4%B8%8A%2C%E4%B8%94%E6%BB%A1%E8%B6%B3%E2%88%A0FOB%3D+%E2%88%A0AOB%2COE%E5%B9%B3%E5%88%86%E2%88%A0COF.%EF%BC%881%EF%BC%89%E8%8B%A5%E5%B9%B3%E8%A1%8C%E7%A7%BB%E5%8A%A8AB%2C%E9%82%A3%E4%B9%88%E2%88%A0OBC%EF%BC%9A%E2%88%A0OFC)
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