????????????λ???????????????????????????????????
(1)?????????(50?????)
(2)????????????(???1?????????5??)
(3)?????С??????(100??????)
(4)????μ??????(??????鱾?????????)
(5)????????(???5?????????????10??)??С????(???1?????????????10??)???з???
(6)????????????????????????????????
(7)???????????????У???????У????ο???2????????(????????)