1.C2/12=66 p=1/66 2.C4/12=495 选中两孝败个后在剩余里选盯运2个凯慎梁:C2/10=45p=45/495=1/11
1. 1/772. 2/77
1.C2/12=66p=1/搏带662.C4/12=495C2/基世芦4=6p=6/495=2/返渣165
