2.65米=2650毫米
9.4米=9400毫米
2650-10*2
=2650-20
=2630(毫米)
若有盖:9400-10*2
=9400-20
=9380(毫米)
(2630/2)*(2630/2)*3.14*9380
=1315*1315*3.14*9380
=1729225*3.14*9380
=5429766.5*9380
=50931209770(立方毫米)
=50.93120977(立方米)
若无盖:9400-10
=9390(毫米)
(2630/2)*(2630/2)*3.14*9390
=1315*1315*3.14*9390
=1729225*3.14*9390
=5429766.5*9390
=50985507435(立方毫米)
=50.985507435(立方米)
看在我这么用功的份上就用我的吧,