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???2016??? ????????????? ??
???2015-2016????????????
2015-2016?????????
???????10????2???20?? 1????????????????( )
A??? B?? C?????? D?????? 2??????????( )
A??a+b???a?b?=a2
?b2
B?x2
?6x?9=?x?3?2
C?x4?16=?x2+4??x2?4? D???2m+5n?2=4m2?20mn+25n2 3???????
??????????????( )
A??????x=2B??????x=?2 C??????x=2?x=?2 D????
4?????ABC??AB=AC?BD=CD??????????( )
A??BAD=?BAC B?AD=BC C??B=?C D?AD?BC 5?????????( ) A?
B?
C?
D?
6??????????????????????????????( )
A? B? C? D?
7?????????( ) A?
=0 B?
=
C?= D?=
8????????( ) A?
B?
C?
D?
9??????ABC???A=50?AD??A?????DE?AB?DF?AC???DEF=( )
A?15 B?25 C?35 D?20
10???a+=3?????a2
+
???( )
A?6 B?7 C?8 D?9
???????8????3???24??
11???A?E?????????2??3???2?3?????????1?A?E????x?????2?A?E????y?????3?A?E???????????????__________????? 12???ABC??
?C=90?AD???BAC??DC=7??D??AB???? 13????
??????x=__________?
14???m=2n?0??
+
?
=__________?
15??????ABC??AD??BAC?????DE?AB?E?DF?AC?F??ABC
???28cm2
?AB=8cm?AC=6cm??DE=__________cm?
2
16????????x+mx+9??????????????m???
17?????a+b+c?0??
2
2
=__________?
22.?????ABC???BAC=110??E?G???AB?AC????DE?AB?BC?D?FG?AC?BC?F???AD?AF????DAF????
18??a+b=7?ab=12
??
a+3ab+b=?
???????6??19?7??20?8??21?10??22?10??23?10??24?11???56??
19.???????????a?b???????????????????????????????????? ?1??????????
?2?????????????????????????
20.???????1??
?????2??1?0?1?2??????????
x????????
21.?????1?? ?2?
=
?1?
23.??????????????????????????????????????3???????????????????????????????????????????????
24.?????ABC??AC=BC??ACB=90??D?AB?????E?AB??????1???BF?????CE??F??CD??G???1?????AE=CG? ?2???AH?????CE?????H??CD??????M???2???????BE??????????
?? ??? ?????
1?C 2?D 3?D 4?B 5?C 6?D 7?D 8?C 9?B 10?B ?????
11??1? 12?7 13?214?
15?416?617?
18?61
?????
19?
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20????1???=
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=?
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?x=?2??????=2?
?2??????a=4k?b=3k?c=2k? ???==4?
???4?? 21??1???
=1+
?
2x=x?2+1?..........................2? x=?1?.......................4? ???x=?1???????
???????x=?1?.........5?
?2????????15x?12=4x+10?3x+6?
??????14x=28?..............................2? ???x=2? .................................. 4? ???x=2???????????????? .......5? ???5??
22?????ABC????BAC=110?
??B+?C=180?110=70?...................2? ?E?G???AB?AC???? ??DE?AB?FG?AC?
?AD=BD?AF=CF?...............................5?
??BAD=?B??CAF=?C?........................7? ??DAF=?BAC???BAD+?CAF?
=?BAC???B+?C?=110?70=40?.............10?
23?????????x???????x+3????????...1? +
=1?.............................................................................................4?
??x=6?..............................................................................................7?
???x=6???????.................................................................9? ???????6?? .................................................................10?24??1??????D?AB???AC=BC? ?ACB=90?
?CD?AB??ACD=?BCD=45? ??CAD=?CBD=45? ??CAE=?BCG? ??BF?CE?
??CBG+?BCF=90? ???ACE+?BCF=90? ??ACE=?CBG?
??AEC??CGB??
??AEC??CGB?ASA??
?AE=CG?................................................5?
?2???BE=CM?
????CH?HM?CD?ED?
??CMA+?MCH=90??BEC+?MCH=90? ??CMA=?BEC?
???ACM=?CBE=45? ??BCE??CAM??
?
??BCE??CAM?AAS??
?BE=CM?..............................................6?
???2016??? ??? ?? ?????????
11.1.1 ?????
1.?????????????????
A?3?4?8 B?5?6?11 C?1?2?3 D?5?6?10
2.???????????3?7???????
A?13 B?17C?13?17 D?????
3.??????,????????20cm?30cm,?????????, ??????????,??????????? ()
A.10cm??? B.20cm???; C.50cm??? D.60cm???
4.??????????6cm?2cm??????????????? ()
A?2cmB?4cmC?6cmD?8cm
5.??11?8?6?4??????????????????__________?????????_____________________________________________________?
6.????????????x?3?4??x??????___________
7.??????????????4,9,?????.
11.1.2 ?????????????
1.???????? ( )
A????????????????????
B?????????????????????
C???????????????????????
D?????????????????
2.??????????BE??ABC?????? ( )
BB B
E
E
A E A E A A B C A B C D 1 C
3.??????????????????????? ( )
A?? B??? C????? D??????
4.??????????????????????????????????????
?????????????????????????????????????
?????????????? ( )
A?1?B?2?C?3?D?4?
5.???AD??ABC????????BAD=_________=1________. 2
6.?ACB=90?CD?AB?D???ABC?BC?????______?
AC???????______?AB?????______????????______.
C A B A D
?6?? ?5??
7.?????ABC???C=110??B=20?AE??BAC???????AEC????
11.1.3 ???????
1.???????????()
A. ??? B. ?????C. ??D. ??
2.????????????()
A.????????? B.?????
C.???????D.????????
3.???????????????????????????????????????????????()
A.4? B.3? C.2? D.1?
4.????????????????????????????________________
5.?????????????????????????????????AB?CD? 2 A
?????????__________________
6.
??????_________________.
11.2.1??????
1.???????????1?2?3????????? ?
A?????? B??????C?????? D??????
2.???ABC???A=20??B=?C????ABC?? ?
A?????? B?????? C??????D?????
3.????????? ?
A????? B????? C????? D?????
4.??ABC???A=2??B+?C????A????? ?
A?100 B?120 C?140 D?160
5.??ABC????A=80??C=20???B=______???A=80??B=?C???C=______
6.??????ABC??BAC=60??B=45?
AD??BAC???????DAC=______?
B D C
7.???????1=?2??3=?4???A=100??x???
3 B x?ADB=_______? C
11.2.2??????
1.???????????????????()
A????? B????? C????? D?????
2.????????????????????????180,????????????????()
A.30 B.60 C.90 D.120
3.???????????????2:3:4,???????????()
A.90 B.110 C.100 D.120
4.?????,??1????()
A.90B.110C.100 D.120
5.?????????????120????()
A????????B?????????C?????? D????????
6.?????????????150???????_______?
7.?????ABC???B=40??C=70?AD??ABC??????AE??ABC???
??DAB???.
11.3.1 ???
1.?n???????????????n???????????()
A? n B?n?1C?n?2D?n?3
2. n??????????? ()
A?B D E C 80140?n(n?1)n(n?2)n(n?3)n(n?4)? B?? C?? D?? 2222
3.???????????????????????????() 4
A????B????C???? D????
4.????????()
A????????????????B???????????????2?
C???????????????? D????????????????
5.??????14????????????-()
A????B???? C? ????D?????
6.??????????????????
?1????????????______???????????______?????
?2????????????______???????????______?????
?3????????????______???????????______?????
?4???????????????______???????????_________?????
?5?????n?????????______??????n????_________?????
11.3.2 ????????1?
1.??????????????2????()
A???? B???? C???? D????
2.???????????????????????()
A???? B???? C???? D????
3.??????????1080???????????()
A?6 B?7C?8 D?9
4.????????????????????()
A?180B?360C?(n?2)?180? D?n?180?
5.?n????????60,?n???()
A.4 B.5 C.6 D.8
6.????????????????????13?2????????________
??? 5
?????????????2016????????
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发表于 2019-9-13 23:46:11