在△ABC中,∠B=90,AB=BC=10cm;在△DEF中,ED=EF=12cm,DF=12cm,DF=8cm.求AB与EF之比给个基本步骤就行.在△ABC中,∠B=90',AB=BC=10cm;在△DEF中,ED=EF=12cm,DF=8cm。求AB与EF之比、AC与DF之比。不好意思,上面的写
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![在△ABC中,∠B=90,AB=BC=10cm;在△DEF中,ED=EF=12cm,DF=12cm,DF=8cm.求AB与EF之比给个基本步骤就行.在△ABC中,∠B=90',AB=BC=10cm;在△DEF中,ED=EF=12cm,DF=8cm。求AB与EF之比、AC与DF之比。不好意思,上面的写](/uploads/image/z/2776674-66-4.jpg?t=%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0B%3D90%2CAB%3DBC%3D10cm%3B%E5%9C%A8%E2%96%B3DEF%E4%B8%AD%2CED%3DEF%3D12cm%2CDF%3D12cm%2CDF%3D8cm.%E6%B1%82AB%E4%B8%8EEF%E4%B9%8B%E6%AF%94%E7%BB%99%E4%B8%AA%E5%9F%BA%E6%9C%AC%E6%AD%A5%E9%AA%A4%E5%B0%B1%E8%A1%8C.%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%EF%BC%8C%E2%88%A0B%3D90%27%EF%BC%8CAB%3DBC%3D10cm%3B%E5%9C%A8%E2%96%B3DEF%E4%B8%AD%EF%BC%8CED%3DEF%3D12cm%EF%BC%8CDF%3D8cm%E3%80%82%E6%B1%82AB%E4%B8%8EEF%E4%B9%8B%E6%AF%94%E3%80%81AC%E4%B8%8EDF%E4%B9%8B%E6%AF%94%E3%80%82%E4%B8%8D%E5%A5%BD%E6%84%8F%E6%80%9D%EF%BC%8C%E4%B8%8A%E9%9D%A2%E7%9A%84%E5%86%99)
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