直径是0.06米,长是3米,是多少立?解:0.06÷2二0.03,0.03x0.03二0.0009,0.0009x3.14二0.002826,0.002826x3二0.008478,答:是0.008478立方米。
0.06×0.06×3=0.0108,0.0108×0.785=0.008478立方米。