1 楼: 義明智Q3
(5/36)/8=5/288(8/11)/4=2/11
2 楼: cgmcgmwo
5分之36除8=36/(5*8)=0.911分之8除4=8/(11*4)=2/11
3 楼: tanrui391125
0.9 0.1818181818