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B..????????????????????!!(????????????????????????????????????????)
C..?????????????28%?????????(???????????????????!!)
D..???壬70%??????????????(??λ??????????)
2..3?????????????
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3..??????????????????
A..3???????????333????
B..4???????????888????
C..5???????????2775????
D..??????????????3?????5*5=25
E..?????????????333*5+888+2775=5328???
4..?????????????????????
A..3???4??;???(??????)?????????????????綻??3?????????;????15??3????????100??;????3?????2????3?????1????
B..4???5??;???(??????)????????????ò??????????????5????????????50??4????????100??;????4?????2????4?????1????
C..???????????????????????3?????????????????????????μ?->?????10???????????200???£????50??;??????700?????5??????????????????
5..?????????
A..??????2?Σ?????????????????1????
B..10??????????????10???????
C..????????10?δ???????????????????2??
D..???????????(10+20)/6+1=6???????4??5???????????????
E..????2?ξ??+60???????(10+50)/6+1=11???????2??3???????????????
F..??????????????????“???5??”????????50????????????????????????????????????????????????????????????..
G..?????????????64??????20???;???????124??????50?????(СR????????????????????..)
6..???????????????????4??????????岻????