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24. ????10??????????????????????????
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???2016???????????
???2016??????????
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? ??????4??24????120?. ????90??.
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2??????????????2B??????????????????????????????????????????????????
3??????????????????????????????????????????????????????????????????????????????????????????????
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A? ?7 B? ?1 C? 1 D? 7
2??????3?x?4?5?6????3???????????
A?3B?4 C?5 D?6
3????????????
C?
A? B? D?
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A? b(a?b)(a?b) B?b(a?b) C?b(a?b) 222 D?b(a?b) 2
5????BC?AE??C?CD?AB??B=55???1??
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8???????2______?3?
9??????????????????????????????????????? ?3????????????????????1??????????_______?? 5
10????????????????????6880?????6880????????? ?__________________________?
11????P?3?m?m????????m??????____________________?
12?????40cm??????????64cm2????
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_____________?
13??????????ABCD???E??AD?
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16. ????7??
???(??5)0?2cos45???3?(1)?1? 2
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23. ????10??????????????????????????
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A?????????N??C????CB ????
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24. ????10??????????????????????????
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ACP??AC???????
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?????????7??????3???21??????????????????????.
1?C? 2?B? 3?D? 4?A? 5?C? 6?D?7?B?
?????????8??????3???24??
8?? ? 9?15?10?6.88?10? 11?m?3?
12?x(20?x)?64? 13?4?14?(1?2,2)???????2??15??6048?2??
????????????9????75??????????????????????
16?????=1?2?72?3?2 4?2
=1?1?3?2 6?
=1? 7?
17????1?4?0.68 ? 4????2??
1 ?2?? 7? 6
18????1???3?
?2?10?120 7????2??
19????1??A?2?5?????y?k?y?x?b? x
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???2016???????????
???2016??????????
? ? ? ?
? ??????4??24????120?. ????90??.
?????1?????????????????????????????????? ????????????2B??????????????????
2??????????????2B??????????????????????????????????????????????????
3??????????????????????????????????????????????????????????????????????????????????????????????
4????????????????????????????????
5???????????????????????????
bb4ac?b2
,)? ????????y?ax?bx?c???????x??????(?2a2a4a2?????????3???21???????????????????????
1?????3?+4????
A? ?7 B? ?1 C? 1 D? 7
2??????3?x?4?5?6????3???????????
A?3B?4 C?5 D?6
3????????????
C?
A? B? D?
2 3 ?????? 4?????ab?b
A? b(a?b)(a?b) B?b(a?b) C?b(a?b) 222 D?b(a?b) 2
5????BC?AE??C?CD?AB??B=55???1??
A?55B?45 C?35D?25
6?????2?x?????x??????
A?x?2B?x?2C?x?2D?x?2
7?????a?b???????????a?b?1???????????
2a?b
?????1?3?112??x?(?2)??1??? ????8x?41?32
D?x?7 A? x?4 B?x?5 C?x?6
?????????3???24??
8???????2______?3?
9??????????????????????????????????????? ?3????????????????????1??????????_______?? 5
10????????????????????6880?????6880????????? ?__________________________?
11????P?3?m?m????????m??????____________________?
12?????40cm??????????64cm2????
????????xcm???????
_____________?
13??????????ABCD???E??AD?
???EC????BD??F??S?DEC?3?
?S?BCF?________?
14???????y??x2?2x?3?y????C?
?D?0?1???P???????????PCD
??CD???????????P????_________?
15????????????????ABO??A???
????AB1C1?????B?O?????B1?C1??
?B1?x??????AB1C1??B1??????
?A1B1C2?????C2?x?????A1B1C2??C2???????A2B2C2???? ?A2?x????????????A?
?______________?
????????????9????75?????????????????????
3?0??B?0?2????B2016??? 2
16. ????7??
???(??5)0?2cos45???3?(1)?1? 2
17. ????7??
?????????????????????????????????????
??????????????????
?1???x???_____________?y???______________?????????
?2??????????A????????A1?A2?A3?????????? ???????A?????????????????????????????? ??A1?A2????____________?????????
18. ????7??
?????????ABCD????A????AB
???????AD??F??????B?F??
1????BF?????????????P?? 2
?AP????BC??E???EF?
?1? ???ABEF?_______??????????
?????????????????
?2?AE?BF????O?????ABEF????40?BF=10??AE???________??ABC=________?????????
19. ????7??
???????????????O???????
A?2?5???????y?k?????????y?x?b x
?????A????????????????B?
?1??k?b???
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20. ????9??
????D??O???AB???????C?
?O??AC=CD??ACD=120?
?1????CD??O????
?2???O????2????????????
21. ????9??
??x???????x2?(2k?1)x?k2?1?0???????x1?x2?
?1????k??????
?2???????x1?x2??x1?x2??x1?x2??k???
22. ????9??
????????ABCD??BD?AD??A=45?E?F
???AB?CD?????BE=DF???EF?BD?O?
?1????BO=DO?
?2??EF?AB???EF?AD?????G??FG=1
???AE???
23. ????10??????????????????????????
????Rt?ABC???ACB=90?AC=5cm??BAC=60?
??M??B????BA?????2cm?????
A?????????N??C????CB ????
?cm?????B???????????t?
?0?t?5????MN?
?1??BM=BN??t???
?2???MBN??ABC????t???
?3??t????????ACNM??????
???????
24. ????10??????????????????????????
??????????????????y?x2?bx?c?A?B?C????A?? ??(3,0)??C????(0,?3)???P??????
?1?b =_________?c =_________??B????_____________?????????
?2??????P????
ACP??AC???????
?????????????
?????P??????????????
?3????P?PE??y???E????AC??D???D?x????????F???EF????EF??????????P????
???2016??????????????
?????????
?????????7??????3???21??????????????????????.
1?C? 2?B? 3?D? 4?A? 5?C? 6?D?7?B?
?????????8??????3???24??
8?? ? 9?15?10?6.88?10? 11?m?3?
12?x(20?x)?64? 13?4?14?(1?2,2)???????2??15??6048?2??
????????????9????75??????????????????????
16?????=1?2?72?3?2 4?2
=1?1?3?2 6?
=1? 7?
17????1?4?0.68 ? 4????2??
1 ?2?? 7? 6
18????1???3?
?2?10?120 7????2??
19????1??A?2?5?????y?k?y?x?b? x
?k??5??2? 2???1??
??2?b?5
??k?10?b?3?3?
?2???1?????AB?????y?x?3?
?2016????????????????
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发表于 2019-9-13 23:46:11