题目应是 ab=1,bc=2,cd=3,de=4,ea=6.
ab*cd/(bc*de)=3/8
a/e=3/8
a=3/8e
ae=6
3/8e*e=6
e=4或e=-4
a=3/2 b=2/3 c=3 d=1 e=4
a=-3/2 b=-2/3 c=-3 d=-1 e=-4
题目应是 ab=1,bc=2,cd=3,de=4,ea=6.
ab*cd/(bc*de)=3/8
a/e=3/8
a=3/8e
ae=6
3/8e*e=6
e=4或e=-4
a=3/2 b=2/3 c=3 d=1 e=4
a=-3/2 b=-2/3 c=-3 d=-1 e=-4