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??????50?????????????
1.???????????????10??????
????????288????????????????
2?3????45????????????5???3????????
3.????????????????4????????4?????????????????????????
4.???????????????????????13??????7????????0.6???????????
5.????????8???????????????????????????????? ????????????????????????????????????????????????????2????????40????????? 45????????????(???????????)
6.??????????????????????????4.5???????????3.5?????????1????????????????????1???????????????????????
7.??????????????????32.5?????????????4??5????????????????
8.???????????400????????????4?????????5????????????????10???????????????
9.????6????5?????455??????????????30????????????????
10.??????????????????????????????75?????????65??????????????40??????????????
11.????????250??????????20???????????????????100????????????4400??????????????
12.???????????????20???????????????????4????????????????12??????????2??????????????????????????????
13.?????????????1500??????????????????1000?????????????????????
14.?????????5????8???????????3.8??????????8????5???????0.45???????????
15.????????????????360??????????????10??6?????8?????????????????????????????
16.??????????????????????720????????????80?????????1200?????3??????????????
17.?????1800???????????12????4??????3????2??????????????????????????
18.???????????????????????2??????30????40?????????????????????120??????????????
19.??????5?????10???????90????????????????4?????????????????
20.??????572???????????0???0??????????????????????
21.??????16????????????9??????????
22.??????10?????????????5.5????????????
23.???????????????2?????10????????????5?????22?????????????
24.??????????36?????????5???????????????????????????
25.?5????????????????15????5????????????????2?????????????????
26.???????3???9??????????????????5????????
27.???????????35?????????17?????????????2????????????????
28.?????????????????12???5??????????????????1?????????????????
29.??????????18????????????????5????????4???????????????????????8?????????????????????????????????????????????????
30.?????????????????????21??????????20??????????19???????????
31.???????????????2??????18?????5??????33???????????????????
32.??????12?????????????????4.8????10?????????????????????
33.???????????80?????????????70??????30??????????????
34.????????????????????59??????????36??????????38??????????5?????????????
35.????4????6??????640??2????5???????????????????????
36.????45??5???????????4??????????
37.???????????????4???????????18???????????????????????
38.???????????????20???????5???????3?????0??????79???????????????????
39.?????240?????20?;?????264?????16??????????????????????????
40.?????600???????1150???????????????700??????????????
41.??????????????50??????????;?????60??????????2???????????????
42.????600????????????????????????????300???????400???????????????
43.????????????????2????????8???;???????2????????12?????????????????????
44.????????3?????20???7.4???????2.4??????????
45.?????????135????????????3????????????2????????????????
46.???????????????????8????5?????????????????????12???????????????????
47.??6?????????1??2??????1????12??????2????18????????????????
48.????45??????15?????????????????11??
49.??????????????2????1??????3????2??????4????3??????5????4??????????????
50.????????????????8????????5?????????40???????????????????
50????????
1??????????????????????288????????????(10-1)??????????????????????????????????????????????
288(10-1)=32(?)
????????
3210=320(?)
??????320??????32??
2???????3???3???????????3?????????3??????
??45+53
=45+15
=60(??)
??3???60???
3??????????4????????????????????42???????4????????????????????
??424
=84
=2(??)
?????????2???
4????????????????????????13??????7?????????(13+7)2???????13???????3????????0.6??????????????
??0.6[13-(13+7)2]
=0.6[13-202]
=0.63
=0.2(?)
??????0.2??
5???????????8?????????2???????????????????????????????????????????
????2??14??
???????14-8=6(?)
??????(40+45)62
=8562
=255(??)
??????255???
6????????????????????????[3.5-(4.5-3.5)] ?????????????????????????????( 4.5-3.5)???????????????
??????????????
3.5-(4.5- 3.5)=3.5-1=2.5(??)
?????????????
2.5(4.5-3.5)=2.51=2.5(??)
?????2.5??????????
7????????????????4??5?????????????5?????????????4????????????5????????????1?????????(4+1)??????????????????
???????
(32.52+5)(4+1)
=(65+5)5
=705
=14(?)
?????
144-5
=56-5
=51(?)
??????????????
????????????????
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6??????????????????30%???????????????20%??????????40%???
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17????????????????????20%??????????????????????????80%????????????360??????????????????
18?????????????10???????????????????????
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20??1???????????????????????????????????????????????? ????????????15????????
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23?4????????????99%????????????98%??????????????
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26?????????40????????1???????2.5???????????????????
28????????????60?????????7.5??????????????????????
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11???????????30????20????10????????6????????????????????????????????????????????????????
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14???????????????????2???????????2?????????????20?????????2??????????????10?????????????
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16??3???????????5??7??9??????????????????????????52?????????2????????36????????9????????
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发表于 2019-9-13 23:46:11