设a=1丈.b=1步.AH=xa.HB=yb.则:
3a/123b=xa/(123+y)b
3a/127b=xa/(y+1127)b.得到方程组:
123x-3y=369.
127x-3y=3381.解得:x=753,y=30750
AH的高度为763丈.HB的距离为30750步
设a=1丈.b=1步.AH=xa.HB=yb.则:
3a/123b=xa/(123+y)b
3a/127b=xa/(y+1127)b.得到方程组:
123x-3y=369.
127x-3y=3381.解得:x=753,y=30750
AH的高度为763丈.HB的距离为30750步