如图,△ABC中,AB=AC,D在BC上,DE⊥AB于E,DF⊥AC于F,BG⊥AC于G,求证,ED+ED=BG如图,△ABC中,AB=AC,D在BC上,DE⊥AB于E,DF⊥AC于F,BG⊥AC于G,求证,ED+DF=BG
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![如图,△ABC中,AB=AC,D在BC上,DE⊥AB于E,DF⊥AC于F,BG⊥AC于G,求证,ED+ED=BG如图,△ABC中,AB=AC,D在BC上,DE⊥AB于E,DF⊥AC于F,BG⊥AC于G,求证,ED+DF=BG](/uploads/image/z/4532449-49-9.jpg?t=%E5%A6%82%E5%9B%BE%2C%E2%96%B3ABC%E4%B8%AD%2CAB%3DAC%2CD%E5%9C%A8BC%E4%B8%8A%2CDE%E2%8A%A5AB%E4%BA%8EE%2CDF%E2%8A%A5AC%E4%BA%8EF%2CBG%E2%8A%A5AC%E4%BA%8EG%2C%E6%B1%82%E8%AF%81%2CED%2BED%3DBG%E5%A6%82%E5%9B%BE%2C%E2%96%B3ABC%E4%B8%AD%2CAB%3DAC%2CD%E5%9C%A8BC%E4%B8%8A%2CDE%E2%8A%A5AB%E4%BA%8EE%2CDF%E2%8A%A5AC%E4%BA%8EF%2CBG%E2%8A%A5AC%E4%BA%8EG%2C%E6%B1%82%E8%AF%81%2CED%2BDF%3DBG)
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