AD+CB=35+44=79,所以AB=79-CD,AC+CD=35,因为世余AC=2/3DB,所以2/3DB+CD=35又因搜丛滚郑乱为DB+CD=44所以CD=17所以AB=79-17=62
44-35=9,9=DB的三分之一枝搏,2+3=5,启带9x5=45,44+35=79,79-45=34,34/2=17,17+45=62.所猛旁祥以AB=62