|
|
???2016?????????????1
2016?????????????1?????
??????????3???30??
1???????????????????? ? A.
1
B. 2
0.8C. 4D.
2?x?3?????????A?x>3 B. x>-3 C. x?-3 D.x?3 3???????36??????????A?6
B
?
C?9
D
?
4?????????????60???????15???????????? A. 12 B. 10 C. 7.5D. 5 5?????????????? ?
?????????1?1?2??????????????????????????????????????????????????????????????????????????????????????????????
A?2? B?3? C?4? D?5?
6??????ABCD????AD?5cm?AB?3cm?AE???BAD?BC???E??EC????
A?1cm B?2cmC?3cmD?4cm
7?????? ??????????????? ?
A ???????? B?????? C??????????? D????????
8??????ABCD??E?F???AB?AC?????EF?3????
ABCD?????? A?12B?16
C?20
D?24
9???????ABCD??AB?8?BC?4?????AC????D???D????????AFC????. ?? A?6
B?8 C?10
D?12
D
C
F
10???????ABCD??AE?AB???DE? BC??F???BEF??? A?45 B?30 C?60 D?55
????????2???20??
11?ABCD????????A?35?45???B=__ ?? 12?????????????600,??????12cm,??????
?__________cm.
5m
??? ABCD?????? ???????
???n(n?1)?????? . ?? ???:(?70?)
?3?? 21??23?(27?2) ?3?? 22.
(3? ?23 (32?2)(2?2)
24??5?? ??????ABCD??AE???BAD?CF???BCD????BC?AD?E?F. ???AF=EC
222
?2?
335
???
25??????????ABCD??????????E?F?G?H??EFGH?????ABCD???????.
?1???1????EFGH???? ?
?3????????.
???
?1???2?????ABCD?????? ???????EFGH???? ?1???3?????????????????????? .
?5??26????????ABCD?????AC?BD???O,E?F?AC??????? AE?CF.???;???BFDE??????
27??4????????????8cm,10cm,12cm ,?????????????????
28??5?????????ABC???ACB?90???D?E???AC?AB?????F?BC????????CDF??A. ??????DECF??????. ???
29(5?)??????????????ABCD,???A?60??B??D?90,AB=20m.CD=10m .??
???????
30?6???????1??RT?ABC???C?90?a=8,b=15,?c (2)?RT?ABC???C?90?a=3,b=4,?c
(3)??????????????3cm?5cm????????????
2x?2?2?x?
31?3????y=
1
3,?x?y??
32?5??????????????????????????,????=14,??=8,??=x,?x??????
33?6???????????????????????,????=6,??=8,???????
35??8???????????????????????,?????60?????10??1???????????2?????????3??????
???2016??????????????
2014?????????????
?????????2???12??
1.?????????????????? A.
B. 7C. 20D.
13
2. ??????ABCD??AD=2AB??M?N????AD?BC?? ??BM?DN.????MBND?????AM
MD
??? ? A.
38B.23
C.3
45D.5
A
MD
BNC
4??
5??
3.
x?1
???????x??????? ? A. x ? 1B. x
?0C. x?0D. x?0?x ?1 4. ??????ABCD?EF????B????AD??B????AE=2?DE=6??EFB=60????ABCD???? ?? A.12B. 24 C. 123 D. 163 5. ??????ABCD????4??E????BD????BAE?22.5 o? EF?AB????F??EF???? ? A?1 B?C?4?22 D?32?4 6.??????ABCD???A??B??C??D??????? A.1?2?3?4B.1?2?2?1C.1?2?1?2D.1?1?2?2 ??????????3???24??
7.?????2?3
?
3?1?
.
8.??3x???????????x??????. 9.???a?b??a?2?b?4?0??
a
b
. 10.????ABCD??DCFE????????BAD=60?
?F=110???DAE??????
11.??????????????A??3?0??B?0?4????OAB?????????????1??2??3??4???2013????????? ?
12.???ABCD??????????????OB=OD,??????????? ____________,?ABCD????.??????????
13 .????????ABCD?????A???????????O?????EF.???ABCD????2cm??A=120??EF= . 14.?????ABCD??AB=3?BC=4??E?BC???????AE???B?AE?????B???B?????CEB?????????BE???_________. A EF
BD
O
C
11??
12??13?? A D?
B E C 14?
?????????5???20?? ?1
15.????
2???0
???1?
?2??
16. ??????ABCD???????AC?BD???O,AB=5,AO=4,?BD??.
17.????????
11b1a?b?b?
a(a?
b)???a?
2?b?1
2
.
18. ?????????ABCD?????AC,BD???O,???O???
?AB?E??CD?F. ???OE=OF. F C
AE
B
18??
?????????7???28??
19. ???ABCD????A??????BD???M????BE?AD?
?E???C??????BD???N????DF?BC??F? ?1???????BFDE???????
?2?????BFDE?????AB?2??BC???
20. ???????ABCD??AB=BC????BD?? ?ABC?P?BD??????P?PM?AD?PN?CD?? ????M?N? (1) ????ADB=?CDB?
(2) ??ADC=90????????MPND????? A
M
P
D
20??
21.?????ABCD??F?AD??????BC??E??CE=1
2
BC???DE?CF?
?1???????CEDF??????? ?2??AB=4?AD=6??B=60??DE???
22.??????ABCD???????DE???ADC?AB??E?BF??
?ABC??CD??F? ?1????DE=BF?
?2???EF?????????????????????DFC AEB
22?? ?????????8???16?? 23. ?????ABC???ACB=90??B??A??D??AB????DE?BC?AC??E?CF?AB?DE??????F? ?1????DE=EF?
?2???CD???D?DC????CF??????G?????B=?A+?DGC? 23??
24. 2013??????ABCD??E?F????AB?CD????AE?CF???EF?BF?EF????AC???O??BE?BF??BEF?2?BAC? ?1????OE?OF?
DFC
?2??BC?2??AB???
O
A
EB 24??
25. ??1???OAB???OAB=90??AOB=30?OB=8??OB?????OAB?????OBC?D?OB??????AD????OC?E? ?1???????ABCE???????
?2???2???1?????ABCO?????C??A??????FG??OG???
25??
26. ?????????ABC??BC=6cm. ??AG//BC??E??A?????AG?1cm/s?????????F??B?????BC?2cm/s????????????t(s).
?1???EF??EF??AC????D??????ADE??CDF? ?2????
??t?_________s?????ACFE????
??t?_________s???A?F?C?E????????????
.
26??
????
1.B?2.C?3.D?4.D?5.C?6.C?7.-7?8. x?
13?9. ?1
2
?10.25?11. ?8052?0??12. OA=OC?AD=BC?AD?BC?AB=BC?13. ?14. 3
2
?3?
15. 2?2?
16. ??????ABCD???????AC?BD???O? ?AC?BD?DO=BO? ?AB=5?AO=4? ?BO=
=3?
?BD=2BO=23=6?
17. ????ab?a2?ab?b2(a?b)2a?bab(a?b)?ab(a?b)?
ab
?a?
?b?
18. ???????ABCD??????? ?OA=OC,AB?CD??OAE=?OCF??AOE=?COF ??OAE??OCF?ASA??OE=OF
19. ?1????????ABCD???? ??A=?C=90?AB=CD?AB?CD? ??ABD=?CDB?
????ABCD????A??????BD???M????BE?AD??E???C??????BD???N?? ??ABE=?EBD=?ABD??
CDF=?CDB? ??ABE=?CDF? ??ABE??CDF?
??ABE??CDF?ASA?? ?AE=CF?
????ABCD???? ?AD=BC?AD?BC? ?DE=BF?DE?BF?
????BFDE???????
?2???????BFDE?????
?BE=ED??EBD=?FBD=?ABE? ????ABCD???? ?AD=BC??ABC=90? ??ABE=30? ??A=90?AB=2? ?AE=
=
?
BE=2AE=
? ?
BC=AD=AE+ED=AE+BE=
+
=2
?
20. (1) ?BD???ABC???ABD=?CBD???BA=BC?BD=BD? ??ABD ? ?CBD???ADB=?CDB? (4?) (2) ?PM?AD?PN?CD???PMD=?PND=90?? ???ADC=90??????MPND????
??ADB=?CDB?PM?AD?PN?CD??PM=PN? ????MPND????? 21.?1?? ?2?
22. ????1?????ABCD??????? ?DC?AB?
??CDE=?AED? ?DE???ADC? ??ADE=?CDE? D
FC
??ADE=?AED? ?AE=AD?
??CF=CB??AD=CB?AB=CD?
AEB
?AE=CF? ?DF=BE?
????DEBF??????? ?DE=BF?
?2??ADE??CBF??DFE??BEF?
???2016????????????????(??,????)
????????
?????
1???????????????????? ? A.
1
B. 2
0.8C. 4 D. 5
2??
a?2a?2
?????a????????
A?a?2B?a?2 C?a?2 D?a??2 3.??a?2?b??0???(a?b)
A??1 B?1 C?34.??a?2?,b?
2007
2007
??????
2007
D??3
????????????????
A?1? B?2?C?3? D?4?
8??????ABCD????AD?5cm?AB?3cm? AE???BAD?BC???E??EC????
A(A)1cm (B)2cm(C)3cm(D)4cm
9???????ABCD??AB?8?BC?4?
????AC????D???D??? ?????AFC??????. A?6B?8 C?10 D?12
10?????????a?b?c?????????? ?????? ?
A . a?1.5,b?2,c?3B . a?7,b?24,c?25 C . a?6,b?8,c?10 D. a?3,b?4,c?5
D12?5
???a?b???? ??
11.??????ABCD??AD=2AB??M?N????AD?BC?? ??BM?DN.????MBND????? AB
M
D
A.a?b?????? B.a?b??????C.a?bD.a?b 5.?
a?
1
a???????????????????
AM
??? ? MD
C
A??a B??6..??a?0???
aC???a D?a
2
(2a?|a|)?
N
C
? ?
F D
A.aB.?a C.3a D.?3a
7.???????????????
?????????1?1?2??????????????????????????????????????????????????????
1
11?? 9??
????
12??????32 ?2?2? 32?
2ab(a?0)?? 13????
14???????????2x?3??
10011000
(2?5)?(2?5)15.? ?
2
28??25??27?? 30??
11?
a?3?2,b??2ab? ? 16.????
17.?x= ??????x?1??????????? 18.?0? a ?1??a2?(a?1)2
? ?
25..????E?F?????ABCD??BC?CD??????EAF=?D=60??FAD=45???CFE= _________ ??
26.??????4??????60??????????? ?
27..????ABCD??DCFE????????BAD=60??F=110???DAE?????
28.??????????????????????????????????????????1??????????? ?? ABCD???A?B?D???????0?0??
2?3?????C????? ?
??BDC?90o?E?BC????AE?5cm??BC? cm?DE
??????
n(n?1)?????? .
?????
2?
2233
?2?3??3?33?88?
4
4?15?????????? ?
?? ???:(?50?)
212?2???(?16)(?36)?32.335? 31.
37.??1?
2?1??0??? 37.???
?2?
?1
x?
120?4
x2?2
x??? 2??
33.?
35?8?23?(27?2)36..
2??
3???1223?22
3?5
38
???a?1a??1?a2?1
a
2????6??
39???m
?6??
3
34
11b40.
???????????a?b???
a?bba(a?b
)42.???????ABCD??AE???BAD?CF???BCD???
?BC?AD?E?F. ???AF=EC
43??????????ABCD??????????E?F?G?H??
???EF?FG?GH?HE??????EFGH?????ABCD???????. (1)???EFGH???? ?
??????.
4
41.?????????ABCD?????AC,BD???O,???O????AB?E??CD?F. ???OE=OF.
FC
A BE
?2??????ABCD????AC?BD??AC?BD?? ?
??????EFGH???? ??????.
44.??????ABC??AB=AC?AD??BAC?????AE??BAC???????CE?AE??E?
?1???????ADCE???? ?2???????ABDE???????
45????????ABC???ACB?90???D?E???AC?AB?????F?BC????????CDF??A. ??????DECF??????.
B
5
?2016??????????????????
?????http://www.850500.com/news/60627.html
?????,??! |
|
发表于 2019-9-13 23:46:11