△ABC中,DE//BC,BE与CD交于点O,AO与DE、BC分别交于点N、M.求证:ON/OM=DE/BC

1个回答

  • There's also a discount Oumen,kid's shoes,130 + 400 + hit,but even a sheep really doubt it?

    wait

    album can not find the link line does not know its not

    ZARA brand girls dresses,pretty princess halo,actually someone responds ,so happy ah

    I upload photos to the album,but can not find the time to insert a picture album,saying halo is really called a brutal zara discount.

    wait for MM on the map.I uploaded from the local,the above dress,do not know the line not

    Yeah,success can not be attached to hair ah,I'll try a hair more than a few

    The above dress,take a small suit

    dress boots take the above is walkshop,as if the 3.8 fold,kids swing sets,300 block,cost-effective die

    take little suit to wear high heels,patty's,sheep's clothing,the price is really cheap to not work,we guess,ha ha

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