|
|
???2013??????????????(?)(word????) (??)
2013?????????????
???????12??????3???36??
a????????? A?a?
1111B? a??C?? ? D???? 5555
2???????????????
A
B
C
D
3????????x+3x-1=0??????????????? ?
??1? 1B?1??? ???????????
?????????????????????????????? ? A?????????B?????????? C????????? D?????????? 5??????????????????????????????????????? ??????????????????????????????????????????????????????? ? A?
2
3 2
1212 B? C?D? 3399
2
6??x1?x2???????x+2x-3=0?????x1+x2???? ?
A?2B??2 C?3 D??3 7?????QQ?????????????????? ?
A? B? C? D?
8?????ABC??O?????????OBC=70???A???A???
A?40B?35
C?30 D?20
9?2010?11?27???16?????????????????????????????199??????????????????????????????2006??15??????165??2002??14??????150?????14???16??????????????????????x???????????????????
150?1+x?=199 B?199?1-x?=150 C?150?1+x%?=199 D?A?165?1+x?=199
10???P??AOB?OA?????AOB=30?OP=10cm??P????4cm????????OB????????
A???B??? C??? D?????
222
11????????x=a??x=a?????x=a
???????x=?
2
2
2
222
??b+4ac<0????ax+bx+c=0?cx-bx+a=0????????????????
???? ?
A???B??? C???D???
12???????????????????BD???????????????????????????????????
???????????????????????????????????????? ? AB
A????B?? C??
D???
???????4??????3???12??
13????????????????????????
14??????????2?4?8?16?32?64??5?7?11?19?35?67?????
?????8??????????? 15??????A??????B??????C????????????????????
????????????????? ?
16??????????????????????????????????????????????????????????????
1
????????????????3
???????????????????????????????????????????????
1
?????????????????????? 2
???????9????72??
???????????????????????????????????.
17?(6?)????x
18?(6?)
2
1 2
19?(6?)?????????????A??????B??????????????ABO??M????????????????A1B1O1?????A1??
?????ABO??N(0???)?????90??A2B2O2?????A2()
20?(7?)???OC??AOC?????P?OC?????P?OA???D? ???OB??P??
O
B
C
21?(7?)????????????????????120cm????200m??????80m??????????????????????????????????????????????????????????2???????????????19%????????????????
22?(8?)?????????ABCD???BAD=?CDA=90,CD=2AB,?A?B?D????O???BC?CD?E?M. ??????DM=CM?
????CE=2?
??AE???
C
23?(10?)???????????????????????0.5?????????????????????????????????????
?1??????????1??????????????A?B?????????????
?2???2??????????????????????????C?D?????????????? ?3???1???2?????????n????????3???????????????E?F?????????????? ??n???
ABAC
E
F
?1 ?2?3
24?(10?)???ABC??BEF???????????ABC=?BEF=90,?AF?CF??M?AF?????EM???BFE??B???
?1???CF?EM??????2??? ?2???????????????????
?3??B??BN?EM??ME?????N???BN=4?EN=2?BC=10?????CBF??BCF????????
C
(1) (2)
ACA
25?(12?)??1??M????4
???x??A?
?0??B(????y??C?G???AD?BC?H???M????????? ??????????
???????????+???? ?????????????????????????????????????????????????-??=???????????????????????
y
y
?? ??
???2016??????????????????(?)
??????2015~2016??????????????(word????)
2015~2016???????????????????
????
?????2016?1?21?
???????10??????3???30??
1????x2?8x?10??????????????????????1?????????????? ? A??8??10
B??8?10
C?8??10
D?8?10
2??????????????????? ?
A? B? C? D?
3??????10????1?????????????????????????????? ? A????????? C????????? A?x?1
B????????????????? D?????????????? C?x?2
D?x??2
4????y??3(x?1)2?2?????? ?
B?x??1
5??????????????????30?????25?????5???????????????????? ? A?
1
12
B?
1 6
C?
5 12
D?
1 2
6.??????ABCD??O??????????BOD?100???BCD????? ? A?50 B?80 C?100 D?130
7??????10 cm????P???O????d??? ? A??d?8 cm???P??O? C??d?5 cm???P??O? 13????????? ? A?2???? A?m?3
B?3???? B?m?3
C?4????
D?5???? D?m?3
9???x???(m?2)x2?2x?1?0??????m??????? ?
C?m?3?m?2
10??????OAB????????120?????4?P??AB?????PM?OA?
PN?OB??????M?N?D??PMN??????P????????M?N??????????????N???O?????M???O????D???????? ? A?
B??d?10 cm???P??O? D??d?6 cm???P??O?
8???????????????????????????????????????????????
2
? 3
B??C?2D?2
3
??????????6???????3???18??
11????????????A(?3?2)???????????__________
12.??????8????????????????1?????????????????5??????
__________
13???????????????7 200 kg?????????8 450 kg??????????????????????x???????????________________________
14?????????????y??x2?2x???????????????????????????????____________________
15????????????a?12 mm??????????????b???________mm 16????a?b?c?????????Z |a?b?c|???y?kx??1|???????2?????k????__________ ???????8???72??
17????8????3???????x2?2x?a?0??????a?????????
18????8???6?????????????????1?2?3?4?5?6
(1) ???????2???????????????????????????????
(2) ????1????????????????1???????????????????????????
19????8?????AB??O????C??O????AD???C???????????D?AD??O??E.(1) ???AC???DAB?(2) ??CE??CE
?6?AC?8??????O????
1
?k?0????y?Z |x2?1?x?1??x2
20????8????????ABCD????ABE??AEB?90???ABE??O??180???CDF (1) ??????O??CDF???????????(2) ?AE?12?AB?13??EF??
21????8??????????????????2 m?????4 m (1) ??????????????????????? (2) ??????1 m??????????
22????10??????32 m?????8 m???????????? (1) ??1????????????AB???????CDEF??
? ?DE??x m?????????y?x???????????????????? ? ??????????110 m2????????x????????????
(2) ??2????????????AB?????BF?????????ADEF????????????
23????10??????BAC?60??CDE?120?AB?AC?DC?DE???BE?P?BE??? (1) ??1??A?C?D???????PAC??? (2) ??2??A?C?D?????????AP?DP
(3) ??3???C??BE??AB?1?CD?2??????PD???
24????12??????????y?
1
???B???????x?3???A(2?4)?B???AOB?90
2
???????????????????????OA??O?????90??OC???C?????___________?????OC??????____________________?B???AB???OC????????
12115
B?????___________???????????y??x2?mx?m2?m????P??????l
99933
????(1) ???l?????(2) ??????l???????Q???POQ?90???m??
20152016?????????????????
??????
11?(3?-2)?12?
3
?13? 7 200(1?x)2?8 450? 14?y??x2? 8
51
15?123 ? 16?k? ?k?1?
42??????
17?????1??3??x?2x?a?0???3-6+a=0???1???a=?3.???? ??4? ?a=?3??x?2x?a?0????x?2x?3?0 ??5?
???x1?3,x2??1??a=-3????????-1. ???? ??8? ??2?????????x2?????????
3+x2=2?3x2=a ???? ??4? ??a=?3?x2??1 ??a=-3????????-1. ???? ??8?
18????1
2
2
2
2
???? ??2?
??????????2???????????30??????????????????????????????6?? ???? ??5?
1
??P????? ??6? 5
5
?2? ? ???? ??8?
12
19??? ?1???OC, ?CD??O?????CD?OC ???? ??2? ??CD?AD,?AD?OC,??CAD=?ACO ???? ??3? ?OA=OC,??CAO=?ACO,
??CAD=?CAO,?AC???DAB ???? ??5? ?2?10???? ??8?
20????1???AC?BD????O???EO?????F??OF?OE???DF?CF????? ??2? ????????? ??4? ?2??1? ??O?OG?OE?EB???????G?
F
????ABCD????
?OA=OB??AOB=?EOG=90
??AOE=?BOG
????AEBO? E
?AEB=?AOB=90 ??EAO+?EBO=180=?EBO+?GBO ??GBO=?EAO???? ??5? ???EAO??GBO??
??EAO??GBO?
??OA?OB ??AOE??BOG?
??EAO??GBO???? ??6? ?AE?BG?OE=OG?
??GEO???????????? ??7?
F
E
22
?OE=EG?(EB?BG)
22
=
22(EB?AE)= 22
?EF=2???? ??8?
??2??????EA?FD???N???EF????NEF????????????? EF?2 ?
21??1????????????????2?2??
??????????y?a(x?2)2?2? ???? ??2? ?(4?0)?????????0?a(4?2)2?2?
?2016??????????????(?)(word????)(??)????????
?????http://www.850500.com/news/20089.html
?????,??! |
|
发表于 2019-9-13 23:46:11