延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC =2:5,AC延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC=2:5,AC=100cm.求AB,BM,MN,NC的长
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![延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC =2:5,AC延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC=2:5,AC=100cm.求AB,BM,MN,NC的长](/uploads/image/z/3530772-36-2.jpg?t=%E5%BB%B6%E9%95%BFAB%E5%88%B0C%2C%E4%BD%BFBC%EF%BC%9D3AB%2CM%2CN%E6%98%AFBC%E4%B8%8A%E4%B8%A4%E7%82%B9%2C%E4%B8%94BM%EF%BC%9AMN%EF%BC%9D2%3A3%2CMN%3ANC+%EF%BC%9D2%3A5%2CAC%E5%BB%B6%E9%95%BFAB%E5%88%B0C%2C%E4%BD%BFBC%EF%BC%9D3AB%2CM%2CN%E6%98%AFBC%E4%B8%8A%E4%B8%A4%E7%82%B9%2C%E4%B8%94BM%EF%BC%9AMN%EF%BC%9D2%3A3%2CMN%3ANC%EF%BC%9D2%3A5%2CAC%EF%BC%9D100cm.%E6%B1%82AB%2CBM%2CMN%2CNC%E7%9A%84%E9%95%BF)
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延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC =2:5,AC延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC=2:5,AC=100cm.求AB,BM,MN,NC的长
延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC =2:5,AC
延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC
=2:5,AC=100cm.求AB,BM,MN,NC的长
延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC =2:5,AC延长AB到C,使BC=3AB,M,N是BC上两点,且BM:MN=2:3,MN:NC=2:5,AC=100cm.求AB,BM,MN,NC的长