有關AB3AE的精選大全

如圖,在△ABC中,EF∥BC,AB=3AE,若S四邊形BCFE=16,則S△ABC=(  )A.16    ...
問題詳情:如圖,在△ABC中,EF∥BC,AB=3AE,若S四邊形BCFE=16,則S△ABC=()A.16                        B.18                         C.20                 ...
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