找回密码
 立即注册
查看: 83|回复: 0

??????

[复制链接]

0

主题

0

回帖

56

积分

管理员

积分
56
发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
???2013-2014?????????

2013-2014????????????????

??????????2???20??

1. ?????ab2

??? ?.

A. ??1 B. ??1C. ??0D. ??0

2. ???????????? ?

?1? (?24) ??8???3 ?2? (?32) ??8???4

?3? (?45) ??45??1?4? (?33

4

) ??1.25???3

A. 1? B. 2?C. 3 ? D. 4? 3. ?????????????????.

A. ??????????200?B. ??????67?? C. 1????1?????????D. ?????????100? 4. ?????????? ?.

A.??3?2 ???3?3

B. ?32 ???2?3

C. ?

910??89 D. ?0.3??13

5. ????????? ?.

A. ?23 a2

bc2

?????2????8 B. x

yz2

??2?3

??????????

C.

1x?1

???? D. mx2

?1?????x?????? 6. ????????m?????n?????20%????? ?.

????????1???8?

A. 0.8?m?n?? B. 0.8?m?n?? C. 0.2?m?n?? D. 0.2?m?n??

7. ??5xayzb?7x3ycz2

??????a?b?c?????? ?.

A. a?1 b?2 c?3 B. a?3 b?1 c?2

C. a?3 b?2 c?1 D. ????? 8. ?????2?4

??24

? ?

A. ????? B. ????C. ?? D. ???28

9. ?????????????? ?

A. ?(a?b)??a?b B. 2(a?b)?2a?b

C. x?(2y?z)?x?2y?zD. x?(?y?z)?x?y?z

10. ????????A?B??A???3??B??A??5.5????????B????

?? ?.

A. ?2.5?8.5 B. 2.5??8.5 C. ?2.5 D. ?8.5

??????????2???16??

1. ?????21

?9, 0.01??2013? 0?

22

37

?????????????______. 2. ????32

ab3c2

????_______????_______.

3. ???5x2

y??6x2

y???___________.

4. ?????2?????1???????????????????85000???85000?????????_____________.

5. ??n??????a??1????(?a2)

2n+1

?_________.

6. ???a2

?4a?1???3?????2a2

?8a?3???________. 7. ?????3??????________________. 8. ?a?b?c?

4

5

??30(b?a?c)?______.

????????2???8?

??????????4???20??

????????????4???16??

1. ??7.2????3.6????3.6????2.8?

2. 1.6??145

???2.5???3

8?

3. ?1112?78?34?13

24

???4.8?

4. ??12?2???1?101

?0.25??42233???3

??8

5. ??2?3

42219??3???0.8?5??1

2

2?

??????? ?3???8?

1. 3x2y2?2xy?yx?x2y2

2. 2a?(a?3b)?(a?2b)?2(a?b)

3. ?5ab2

?2a2

b??(ab2

?a2

b???3ab2

?2a2

b?

4. 5a2

?[a2

?(5a2

?2a)?2?a2

?3a?]

????????4???8?

???????????6???12??

1. ? (a2

?2ab?b2

???a2

?2ab?b2

)??.??a?1

4

?b??1.

2.?12?y2

?4x???11211213x?2y??4(?3x?2y???. ??x?3?y?2

.

????????5???8?

????????8??

?????A?3a2?6ab?b2?B??2a2?3ab?5b2

???2A?B?????.

??????????8??

???????????????A?B???B?4x2

?3x?7????A

?B???A?B?

???A?B???????8x2

?x?1. ??????????A?B?????.

????????6???8?

2013-2014????????????????????

??????????2???10??

1. D2. B3. B4. B5.B 6.B 7.C 8.A9.C 10.B

??????????2???16??

1. 2

2. 32 ;6 3. 11x2y 4. 8.5104 5. 1 6. 5

7. 0?1, 2 8. -24

?????????????4???20??

1. 10

2. -2

7

10 3. 1.2

4. -74

5. -8

???????????4???16??

1. 2x2y2?xy2. ?2a?3b 3. ab2?a2b 4. a2?4b

???????????6???12??

(1)??=4ab??????-1.

(2)3x-2y; ?????1?

?????????8??

??=8a2?15ab?7b2?

??????????8??

??????? ?7???8?

?????16x2

-5x?15

????????8???8?

??????????????

2013????????????????

????????????????????????????????

?????(30??????2???60???????????????????????????

1? ???????????????????

A??????????B?????????? C??????????D?????????? 2? ???????????????????????? ?

A??????? B??????? C?????? D?????? 3????????????? ?

A????? B????? C????? D?????

4???????????????????????????????????

A????? B???? C?????? D??? 5????????????????

A???B??? C??? D??? 6???????????????

?

A????

B???

C???? D????

7??????????????????? ?

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

??????????????????????

A????? B?????C????? D????? 9?????????????????????????????????????????????????

A????????? B??????????

C?????????? D?????????????

10??????????????????????????????????

???????????????????????????????????1113? 11????????????

A.?? B.??C.??D.?? 12?A?B??????????????

A.100? B.150?C.200? D.50? 13?????????????_____??L???????

14??????????

A????? B????? C????? D????? 15???????????????????????????

A???-----???? B??????-----??? C?????-----?? D????------?? 16?????????

A????B??? C??? D???? 17???????????????

??? ??? ???? ???? ????

A?????B???? C????? D???? 18????????????????????? ? A??? B???

????????????1920?

C???

D???

19?????????????????

A?????? B????? C????? D????? 20???????????????

A????????????????B?????????????????? C?????????????? D????????????????????? 21?????????????????????? ?

A????????B???????? C??????? D??????? 22??????????????????????????????????????

????????????????????????????????????? A????????B?????????C?????D??????????????? 23????????? ????????????????????????????

???????????????????

A?????????????B????????????????

C???????????? D???????????????

24?2013?10?,????????,?????????????,

???????

????????????????????????????????????????????????????

???????????????????? ???????????????????

?????????????????????????? ????????????????????????

A????B???? C???? D????

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

???????????????

A?????????????? B??????????? C?????????????? D??????????

26???????????????????????????????????????

??????????

A????????????B?????????

C???????????????????? D????????????? 27??????????????????????

A??????????????? B????????????????? C????????????? D???????????????????? 28??????????????????????????????????????????????????????????????????????????

A??????????????????????????? B??????? C???????????? D????????????? 29??????????????????????????????

????????? ?????? ??????????? ???????? A???? B???? C????D???? 30??????????????????????????

???????????????? ????????????? ????????????? ?????????????? A????? B???C????D???

? ??????40??

31???????????????????????1???4??

? ???????????A????? ? ????????? B????? ? ????????? C??? ? ???? D????? 32??????????1???5?? ? ????????????____________ ? ????????_____________________ ? ??a??b??????????_______

???_____________________ ? ????????????? 1.5????

??????1:375000?????????????___________??

33???????????????19??

?1???A?B????? ?????

????B?E???? ?????A?C????????????????a_______??d?? ??C?D?????

????? ????????????????????? ????10??

?2???D??????????????????????2?? ?3???A??????????????????????????????? ??3??

?4????????????????????2??

?????? A???????????? B???? ?????? C????????D????

?5??????????????????????????????????2??

34????????????5??

????????????????????????????????????????????????????????????????? ??????????????

?1? ??????????????????????????????2??

?2? ????????????????????????????????????

??3???

35?????2012?3?10????????????????????????????????????????????????????????????????????26????????????????????????????????? ????2012?11?15????????????????????????????????????????????????????????????7?? ?1??????????????????????????2?? ?2?????????????????????????2??

?3?????????????????????1?????????????????2??

2013??????????????????

????????????????????????????????

?????(30??????2???60????????????????????

? ??????40??

31???????????????????????1???4??

????????????A???? ?????????? B???? ?????????? C??

????? D???? 32?????????5?? 1?____________;

2?_____________________

3??_______???________________________________- 4?????????___________??

33???????????????19??

?1??2?

?3? ?4?????????????????????2??

?????? A???????????? B???? ?????? C????????D????

?5??2??

34? ???????????5?? ?1?

?2?

35????????????7?? ?1?

?2?

?3?

???????????

20132014?????????????

???????

?????????15???????3???45?.???????????????

??????????????????????????????????? 1?-3????? ? A?-11

B? 33

C? -3 D?3

2??????2km??-2km????3km??? ? A????3km B????3kmC????3km D????3km

3????????????????????????????????? ?

A B C D

4???????????????????2020????????????????? 5000???????5000? ??????????? ? A?510 B.510C.510D.510

3

6

7

8

5????????????a??????b????????? ? A.ab B.baC.10a+b D.10b+a 6??????????? A.?32?9

2

1

B.?????4??1

4

??8??16 C.

??2???3 D.?5?

7??x?1?????2x2?x?1???? ? A.1 8??

B.2

C.3

D.4

13

xy??3x?by2a?b???????a?b?????? ? 2

B.a=2, b=1 D.a=?2, b=1

A.a=2, b=?1 C.a=?2, b=?1

9???m?n?(m+n)????? ? A.0

B.2m

C.?2n D.2m?2n

10?????????????????????????? ?

A. ??? C. ???

B. ???D. ???

11????a?b???????????????????????( )

A.a>b

B.a<b

C.ab>0 D.

a

?0 b

(a?b)31

?12??a?b??????c?d????????????? ? 2

100(cd)

A.0 B.1 C.?1 D.????

13??????6x?5y?3?2ky?4k??y????k??? ? ?

A?0 C?

5

2

2

3

2

2

55D??

2

B ?

14???x?x?1?0?????x?2x?7???? ?

A?-5 B ?-6 C?-7D? -8 15??1+2+2+2+?+2

2S?S=2A?5

20142

3

2013

?????S=1+2+2+2+?+2

2

3

232013

??2S=2+2+2+2+?+2

2013

2342014

???

?1???????????1+5+5+5+?+5

B?5

2014

???? ?

2013?1

?1

5-1C?

4

2013

5-1D?

4

2014

??????????6???????3???18???????????????

16???????6_____?4.5

17????????????????????????????????? . 18??x?2?(y?1)2?0??y=__________.

19??????????2?????5???_________ .

20????2012???0????????a1??????a2.????????2012???a2012.

a1?a2???a2012?1968????2012???0???? ??????

a1a2a2012

_________????

x

21??????????????1???????????????? 1?3?5?7??????2n?1?=________ .?n???n????

??????????7?????57???????????????????????

22?(?????20?) ???

?1?(?12)?5?(?14)?(?39)

??

?2??4?

2?2?

???????30? 3?3?

15232

?4??2?5?8?24???3?? (??)?(?12)

?3?12343

24?????????????8??

?1?3a??4b?2a?1??2) a -3(2a+b)+2(a-2b)?

23??6????????????5??????????? ?????????????????

25??5??

432243322?????????2x?4xy?xy?2x?2xy?y?xy

????

?????x=5?y=-1?????x=5????x=-5,?????????????????????

26??6????????????????????????????????A????????????????????????????

+5 ? ?3? +10 ? ?8? ?6? +12? ?10 ???1?????????????????

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

?3??????150???????????????????????


???????????????
?????http://www.850500.com/news/61464.html
?????,??!
您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

Archiver|手机版|小黑屋|Discuz! X

GMT+8, 2026-3-8 12:24 , Processed in 0.407858 second(s), 19 queries .

Powered by Discuz! X3.5

© 2001-2025 Discuz! Team.

快速回复 返回顶部 返回列表