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发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
??????????2016???????(???)

2016??????????????

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1????42?????? ?

A??8 B??16 C?16 D?8

2?????ABC??????O????A=36???BOC????? ?

A?18 B?36 C?60 D?72

3????AB?CD?CB?DE???B=72???D????? ?

A?36 B?72 C?108 D?118

4?????B?F?C?E???????AB?ED?AC?FD???????????????????ABC??DEF??? ?

A?AB=DE B?AC=DF C??A=?D D?BF=EC

5?BD=2AD?DE?BC?AC?E?

?????ABC???D?AB????????????? ?

A?BC=3DE B? =

C??ADE??ABC D?S?ADE=S?ABC

6?????????????????????????? ?

A? B? C? D?

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A? B? C? D?

9?

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A?2 B?4 C?5 D?8

10??????ABCD??B?????30?????A1BC1D1?C1D1?AD???M???DA?A1D1?F??AB=1?BC=??AF????? ?

A?2?

B? C? D??1

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11??????2ab?2= ?

12?0.0000156????????? ?

13??????x3?4x= ?

14???????????1080??????????? ?

15???y=?????x?????? ?

16? ???AB??O????CD???CD?AB?E?BE=1? ?CD=6???O???? ?

17???x?????x2?x?6=0?=????????m= ?

+?n?2?2=0????O1O2=?18????O1??O2??????m?n??m?n??

????????? ?

19? ?????????????????y???????x?????????????OB???BE????????8??????8???????1???? ??

20???????????

?1+2+22+23++22014????S=1+2+22+23++22014

????????2??2S=2+22+23++22014+22015

??????2S?S=22015?1

???S=22015?1

???????????1+3+32+33++32015= ?

?????12?

21??1????|?|?2cos45????1+?tan80??0+

?2?????

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22?????A??O??BD????????C??O??AC=BC?AD=CD

?1????AC??O????

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23?2016??????????????????????????????????????????????????????????????????????100???????????????????????????????????????????????

?1???????a= ?b= ?c=

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?3??????????????????????90??????2????????????100?????????????????????????????????????????????

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24??????????????????600????????16????????20?????????????????????80%?90%

?1????????????11000?????????????????

?2????????????????85%??????????????

?3???2??????????????????????????????????

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25?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

???2016?????????(??)

???2016?????????(??)


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