内容正文:
!"☆#$%
CD#$○%&’()*+,-./
& ’ ( )
0、,-)(12).834),54)3/,.24/.654)789:3
,;<,=>03,;?fg9,pyfg,;9�aG6K)�9�L�
�)
1.( )13
-2
’‘a#(( )
A.9 B.-9 C.19 D.-
1
9
2.¬�Vìfµ@�YGH,�JfPZ0.00000032mm,#J0.000000
32TUVW#XY,°±’(( )
A.3.2×107 B.3.2×108 C.3.2×10-7 D.3.2×10-8
3.t®-./(È4�‘?’°n/I=’,�$12*]þ2*‘?
’(( )
4.º+,¯Z@O5vºÊF~©�,W]@�314í(f6\’%
rºÊ(éê:℃):-7,-4,-2,1,-2,2.�bZ¯#J,t®�0�°
±’(( )
A.ç4#(-2 B.$ê#(-2 C.[#(-2 D.n«(7
5.)*,â Rt△ABC ß[ÕådC ìáâã90°,$K△A′B′C,()
AA′,Þ∠1=25°,e∠BAA′’f#(( )
A.55° B.60° C.65° D.70°
Ñ5Ò* Ñ6Ò* Ñ7Ò*6.)*,ä#y1=-2x]y2=ax+3’*å‘abdA(m,2),e�bx
’��Q-2x>ax+3’Op(( )
A.x>2 B.x<2 C.x>-1 D.x<-1
7.)*,�{ABOC’ådA ’deZ(-4,5),D(OB ’$d,E(OC
Ý’�d,ë△ADE’·J%Âì,dE’de(( )
A.0,( )43 B.0,( )53 C.(0,2) D.0,10( )3
8.�ãä#y=ax+b¿aúbä#y=cx
!?��çÜ[ÕdeM$’*
å)*+,,e+ãä#y=ax2+bx+c’*åúG
(( )
F、GH)(12).634),54)3/,.18/,pystcuGM6
K)�9�L���)
9.̂ OPQ:x3-x= .
10.�bx’��+ãnO(k-1)x2+6x+k2-k=0’���(0,ek’
D( .
11.O{ABCD$,∠A=60°,�·JZ24cm,eO{’Ü‘Z cm2.
12.��\{’?}ÕZ100°,Ü‘Z15πcm2,es\{’.áJZ .
13.[\y=kx(k>0)]2Z\y=6x
abA(x1,y1)¿B(x2,y2)cd,e
3x1y2-9x2y1’DZ .
14.)*,AB⊥yx,÷�ZB,â△ABO
ßdA àìáâãK△AB1O1 ’ê
Ú,$dB’yIdB1é![\y=
-槡33xÝ,�â△AB1O1 ßdB1àì
áâãK△A1B1O2 ’êÚ,$dO1
’yIdO2é![\y=-槡33xÝ,ëãÆ5t[……ÞdB’de
((0,1),edO12’gdeZ .
I、JK)(12).1034),.78/,pyJKVSRTUM6K)�
9�L���.)
15.(�Ò6^)R�:-12-| 槡3- 10| 槡+2 5sin45°-(槡2017-1)
0
.
16.(�Ò6^)�~�,��D:
1+3x-1x( )+1 ÷ xx2-1,�$x(��Q¯ 1-x>
-1-x
2
,
x-1>
烅
烄
烆 0
’³#O.
17.(�Ò6^))*,E (ABCD ’ÂAD ’$
d,()CE¶ÃJaBA ’ÃJ\bF,ÞCD
=6,�BF’J.
18.(�Ò6^))*,ºÂ¼①�â]瑏瑡�âC»‘
J,KÇì_!①�â,HûW�6瑏瑡�â’E
f,b(H’@�oðß.H�!Bdð$C d
’åÕZ60°,�ÈK42LE’âåA",ð$
Cd’åÕZ30°,º¿ÜKÇR�瑏瑡�â’E
fCD
.
五二
19.(�Ò7^)®nOOITÒ:
ºÇ|L¬7�YÇ|,ØuM¸N¾=�% ¨(’ñe,$¬7’
Ç