一个圆柱和一个圆锥高相等,它们底面积的比是3:1,它们体积的比是请选择DCBA+\5V-B(u2l2i3n7U6S.X3J-Z4L1};n;c7|:X
A.1:36S.X3J-Z4L1};n;c7|:X
B.3:16S.X3J-Z4L1};n;c7|:X
C.9:16S.X3J-Z4L1};n;c7|:X
D.1:16S.X3J-Z4L1};n;c7|:X