A.V1=V2 B.V1=2V2 C.2V1=V2 D.V1>V2
A.0.3 B.2.0 C.1.3 D.1.5 E.2.3
A.9.7---4.3 B.8.7---4.3 C.9.7---5.3 D.8.7---5.3 E.10.7---3.3