中考真题新概念型问题

《中考真题新概念型问题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

ᭆ⚪ὃᦪs+S+••,+§1.S஻=஻]+Ḅ■1—==~>!"#%"...’஺஻'ᑡᦪḄ“ᳮ+ᦪ‘0,-4"...஺500Ḅ“ᳮ+ᦪ”#21"238,Q],%,....஺500Ḅ“ᳮ+ᦪ'#()A.2004B.2006C.2008D.2010ூ@ᫀ௃C2.#Cᦪy=ax?+bx+cḄᱯKᦪ"L☢NOᱯKᦪ#[2Q"1-Q"-1-SḄCᦪḄTUV1QজXm=-3["Cᦪ\]Ḅ⚔ᙶ᪗a(§,-)bঝXde0["Cᦪ\]fxgᡠiḄjklmᜧo3b2ঞXdq0["Cᦪᙠ["ysxḄtᜧuvwb4টXdy0["Cᦪ\]z{|}.ᐸḄUVᨵ()A.জঝঞটB.জঝটC.জঞটD.ঝটூ
ᫀ௃BὃḄ1ஹ▅Lᑡᩞᧇ"ᐳ|ᙠḄᨵ}஺೙஻=஻"(a೙c)೙6=n+c,a೙S+c)=஻-2c,᝞1೙1=2,232010೙2010=ூ
ᫀ௃20072ஹ⊤"TᦪḄU᝞Lপ2)=1J(3)=2,-4)=3,…5,…

1ᑭᵨ£¤f,x-/=________(2010)I20H)Jூ
ᫀ௃1ὃ§Ḅ¨ᑣ1ஹᐜ▅Lᑡᩞᧇ"ᯠ¬@⚪ᩞᧇ1®§¯°|Ḅᓱᱏ⌱O´¯᣸ᡂᑡ"ᨵ6°|Ḅ᣸¨"·]ᡂᦪ¸⚪¹a®3}°|Ḅᐗ»⌱¼2}ᐗ»Ḅ᣸ᑡ"᣸ᑡᦪ#=3x2=6஺½ᙢ"®n}°|Ḅᐗ»⌱¼m}Ḅ᣸ᑡᦪ¿A=n(n-l)(n-2)(n-3)•••(n-m+l)(m,ᓽX஻#ÕÖ×ᦪ["᝞n--=஻"᝞<0>=<0.48>=0,<0.64>=<1.493>=1,22<2>=2,<3.5>=<4.12>=4,…áâLᑡ⚪:(1)äå®<7V>=-ঝ᝞<2x—1>=3,ᑣ×ᦪxḄ¼Þç#b(2)জXxNO,Q#ÕÖ×ᦪ["êë+>=஻?+bঝìÂíî=+°ឤᡂðb4(3)êñòxḄᡠᨵÕÖ×ᦪyḄÞb3(4)ó஻#ôᦪ"õ#ôᦪ"Cᦪy=——x+bḄö÷øxᙠ"+lçᑁ¼Þ["CᦪÞy#᦮ᦪḄ}ᦪ#ñò<ᡈ>=஻Ḅᡠᨵ᦮ᦪÍḄ}ᦪ#b஺êëa=b=2n

274ூ@ᫀ௃(1)জ3bঝ=஻"ᑣ஻þ4x-n+m-m+.x=k+b,xḄ᦮ᦪᑖ,bᐸᦪᑖ.1°$046<0.5*,<%>=%,.+x=(m+k)+b,m+km+xḄ᦮ᦪᑖ஺ᐸᦪᑖ..=m+k:.=m+.(3ᑖ)2°$620.5*,=k+l,ᑣ"7+X=(஻2+4)+6,"7+%.+7Ḅ᦮ᦪᑖ,6ᐸᦪᑖ..=m+k+1,.=m+.89ᡠ;:-m+.(4᜛>)ঝ>?@A<0.6>+<>0.7=1+1=2,B<0.6+0.7>=<1.3>=1,<0.6>+<0.7>H<0.6+0.7>,.1.=+EFᡂH.4(3)Iy=,y=§xḄJK᝞J28(MAN⌕PQR₝J᝞TUᨵWᨵᐵYQᡂZ[YEᡷᑖ)433y=ḄJK]y=JK^_Y(0,0),Y(jl),Y(12),a33/.x=0,,—,4244x>0,2x᦮ᦪ2'=cR᦮ᦪ,33

33,,k>=k,4I31:.k-0,(6ᑖ)24233•.•0Wk42,;M=0,l,2,x=0,,.(7ᑖ)42(4),dᦪy=—-x+f=(x-g)2,஻᦮ᦪ$"Wx<஻+1*,yixḄjᜧBjᜧ(»-1)120,<4k>=n,ᑣ஻LwVT<஻+,,.•.(஻!)2

4ூ¨ᫀ௃Ba-\{a6ý6*0)Ibþ()r~\>X"7xAூ¨ᫀ௃B4.(2010óÿ
)ᙠ☢ᙶ᪗☢ᑁ(m,n),ᣚ:জf(m,n)=(m,-n),᝞/(2,1)=(2,-1)ঝgO,஻)=(#,஻)᝞g(2,l)=(-2,-1).ᢥ᯿&ᣚᨵ(/[g(3,4)]=஻—3,—4)=(—3,4),)*g[/(—3,2)]+()A.(3,2)B.(3,-2)C.(-3,2)D.(-3,-2)ூ-ᫀ௃A0ஹ23⚪ro-1.(20105678)9:⊤<=>?xḄᨬᜧ᦮ᦪ(᝞E=3,-2|=—3+)ᑣ11H11H1--------------+-----------------+…+------------------------------2-V1^2j\_3-y/2^3]L2001-V2000X2001ூ-ᫀ௃20002.(2010IᓭKL)᝞M3,Nᦪ⊤ᨵ7O7ᑡQ▬⊤

5%3=7.ᑣZ1\Z]3-122\+Z“52஻53\=_Z2\dᦪ⊤ḄeNᦪ஻f,஻g4f4ijkZ஺᝞-4i\+#amk~aᓺ\=-.12343212345432345654345676545678765678987678910987M3ூ-ᫀ௃Z1\0Z2\033.Z2010stuv\ᡃxy=ad-be,U᝞=2X5-3X4=10-12d45]Y=-2.9{ஹyᙳ~᦮ᦪjk1<<3,ᑣx+yḄ.4ூ-ᫀ௃±34.2010ᓭ\ᦪᦪ1,3,6,10,15,21,……ᦪᨵḄឋ.9Nᦪ~᜜,S0Nᦪ~ᵫ,……S”Nᦪ~]~a3-a,a-a,....,ᵫda-a^=243100aioo=------------•ூ-ᫀ௃100,50505.Z2010¡¢
£¤ὃ⚪\y¦@Ḅ¦¨ᑣ:x@y=xy-l,ᑣZ2@3\@4=ூ-ᫀ௃196.Z2010¡ª«¬ὃ⚪\ᡃxKᵨḄᦪᓝ¯ᑴᦪ#±²³ᵨḄ0¯ᑴᦪZ´ᨵᦪṹ0¶1\,xὅ¸¹º»¼ᣚ,᝞½Z101\2,Z1011\2ᣚᡂᓝ¯ᑴᦪ¿~(Z101\=lx22+0x2'+1x2°=4+0+1=52Z1011\=1X23+0X22+1X2'+1x2°=112ᢥdÂý0¯ᑴZ1001\2ᣚᡂᓝ¯ᑴᦪḄÄÅ.ூ-ᫀ௃97.Z2010¡IᓅÇÈὃ⚪\9Éᯠᦪn³ÌÍÎÃϨn+Zn+l\+Zn+2\ᙳ=ÐѯÒÓÔ,ᑣÕn~“ºÖᦪ”,U᝞32“ºÖᦪ”×~32+33+34=ÐѯÒÓÔ,23=“º

6Öᦪ”×~23+24+25ÐÑدÒÓÔ)*g200Ḅ“ºÖᦪ”Nᦪ~ூ-ᫀ௃24ஹÙ-⚪1.20105678\y(ᙠ☢ᑁᡃxÚᨵᜧgÛᨵÂᔣḄÝ☢ᔣÝ஺☢ᔣݺᵨᨵᔣÞß⊤<ᨵᔣÞßḄàá⊤<ᔣÝḄᜧgᨵᔣÞßḄÂᔣ⊤<ᔣÝḄÂᔣ஺ᐸᜧg¼+Âᔣ¼EḄᔣݼ+ᔣÝ஺᝞âÂA8C0ḄeN⚔æ~çèN⚔~éÍᔣݺÍ]8N=EḄᔣÝ:Qஹ~BA.AC>C4>AD,DA,BD.DBZᵫë¶ì¼+ᔣÝ×d´N\஺Z1\ÍN¼íḄâÂZ᝞M\஺ᐸḄN⚔~çèN⚔~éÍᔣÝ,ºÍ]=EᔣÝḄNᦪ~/Z2\,ïð/Z2\Ḅ;ফÍ஻N¼íḄâÂZ᝞M0\“óô”᣸ö஺ᐸḄN⚔~çèN⚔~éÍᔣݺÍ]=EᔣÝḄNᦪ~/Z஻\ïð/Z஻\Ḅ:•••yᐳnNâÂM0বÍ2x3N¼íḄâÂZ᝞M\᣸ö஺ᐸḄN⚔~çèN⚔~éÍᔣݺÍ]=EᔣÝḄNᦪ~/Z2x3\,ïð/Z2*3\ḄMZ4\Í஻?x஻N¼íḄâÂZ᝞Me\᣸ö஺ᐸḄN⚔~çèN⚔~éÍᔣݺÍ]=EᔣÝḄNᦪ~ØZznx஻\ïðḄ஺共m个正方形相连________)V

7ᐳnNâ¼Öூ-ᫀ௃প/Z2\=14(2)/(«)=6/7+2ব“2x3)=34(4)f(mxn)=2(m+/?)+4x(mn)2.Z2010Iᓭÿ□
ᡃᔠᑖḄḄᑖ“”᧕ᕜḄ"#$%.-ᩩ)*/,Ḅ*ᨵ./MஹM'ஹN'ஹN.45ᙠ78*9,N'NḄᦪ;ᐵ=>?/M'ஹN'ᔣAᚖ*9M'EஹN'F,ᑭᵨFGᐰ%ஹ$IJ┦GFGLᦪ%$ᐵMNOPQ⚪.STUὃ45ḄWXNYZᑡQ⚪:প^)*/,Ḅ$.>._᝞a8-1
,e/ᑖ.A஺ஹA'஺'ஹBCஹBC+MஹM'ஹN'ஹN,45ijMAT,N'N$%STlmn5ᳮᵫqফ^)*/,Ḅs$.>_᝞a8-2
,/ᑖ.A஺ஹA'D'.D'C.DCuMஹM\N'ஹN,/,஺CḄᜳGxa,TzxMM',N'N{$%ᔩ}~MM'$%n5ᳮᵫq~$%Ḅ_ᵨaḄFGLᦪ⊤
.N'NூYᫀ௃পNᙠ•M'ElAD,N'F±BC,AD//BC:.M'E=N'F,NM'EM=NN'FN=90°,NEMM'=NN'NF:.AMM'EmANN'F:.MM'=N'N5ᑖফNNNFN'=ZMEM'=90°,NFNN'=NEM'M=a.kNFN'sAMEM8ᑖ.MM'M'E,*N'N~NF,:M'E=N'FMM'_N'F…sinaஹ-tana(ᡈ-----)10ᑖN'N~~NFcosaজ^a=45°>tana=1,ᑣMM'=NN'

8ঝ^a*45°>MM'NN'MM'/_p.sinaஹ..ᑣ-----=tana_ᡈ------
......................12ᑖNN'cosaN£ᙠND=90°
•M'ELAD,N'FLCDC.M'E//DC,NF=M'E.4MM'E=4N'NF=aᙠRtᜐIN'F,RtAMM'E_N'FM'Esina,cosa=----NN'MM'sinaN'FMMfMM'tana-----——-----.....-COS6ZNN'M'ENN'MMrsinccᓽ-tancr_ᡈ-----
....................10ᑖNN'cosaজ^a=45°>MM'=NN'ঝ^a*45°>MM'NN',,MM'„sina.¨nz¤ij----=tana_ᡈ------
......................12ᑖNN'cosa3._2010±²³ᐶ
ᙠ☢)Gᙶ᪗=¸LᦪḄa¹,ᙶ᪗º»ᡂḄFG½¾¸LᦪḄᙶ᪗FG.¿᝞aḄ¸LᦪḄa¹,X,yºᑖ.u/A,B,ᑣÀOABx¾LᦪḄᙶ᪗FG._1
Lᦪy=—1x+3Ḅᙶ᪗FGḄFᩩÅ_2
~Lᦪy=-Æx+b_6xÈᦪ
Ḅᙶ᪗FGᕜÅx16,¾FG☢É.ூYᫀ௃N_1
)*y=—Æx+3,xºḄ./ᙶ᪗x_4,0
,,yº./ᙶ᪗x_0,3
,4••
Lᦪy=-1x+3Ḅᙶ᪗FGḄFᩩÅᑖx3,4,5.34_2
)*
=1"+஺,XºḄ./ᙶ᪗x_§ᓃ஺
,yº./ᙶ᪗x_0,6
,

94532^Ï0>A+—b+—b=16,Ð6=4,¾>ᙶ᪗FG☢Éx£q3334532^Ñ0>-b--h--b^l6,Ðᓃ=-4,¾>ᙶ᪗FG☢Éx£.333332ÒÓ^LᦪÔ=-^X+ᓃḄᙶ᪗FGᕜÅx16>,☢Éx4._2010±²Ö×Ø
ÙÚÛÜÝ/ÞḼᦪºᔣàá3ᓫãäᔣåá2ᓫã$^uᔣàá1ᓫã.ᵨæᦪç⊤x3+_-2
=1.~ᙶ᪗☢ÓḄ/A᝞ZáÞxºᔣáḄᦪ;xa_ᔣàxᔣåxèáéᓫã
ÞyºᔣáḄᦪ;xb_ᔣÓxᔣZxèáêᓫã
ᑣᨵëᦪ{a,஻}½ïáḄ“á;”q“á;”{a,,“á;”{c,d}Ḅçðñᑣx{a,b}+{c,d}={a+c,b+d@.NOQ⚪_1
òñ{3,1}+{1,2}q{1,2}+{3,1}._2
জÝ/P?ᙶ᪗ô/஺iᐜᢥ᯿“á;”{3,1}áᑮ4,äᢥ᯿“á;”{1,2}áᑮ8q~ᐜÝ/ùᢥ᯿“á;”{1,2}áᑮC,äᢥ᯿“á;”{3,1úáᨬüḄãý{þ/Bᔩ}ᙠa1ÿ
0A8Cঝ
O4BC
.3᝞2,⁂ṹᜮ஺!"ᐜ$ᑮ&'(ṹᜮP2,3,*ṹᜮᡝ$ᑮṹᜮQ5,5,ᨬ/0ᑮ!1஺.2ᵨ“56”89:;⊤=>Ḅ$@A.ூCᫀ௃(1){3,1}+{1,2}={4,3}...................................2ᑖ{1,2}+{3,1}={4,3}...................................................2ᑖ(2)জO....................................2ᑖᨬ/ḄPQRB...........................1ᑖঝSᵫজU"A(3,1),B(4,3),C(1,2).OC=AB=Vl2+22=5OA=BC=VF+F=Y"...
0ABe
.....................3ᑖ(3){2,3}+{3,2}+{-5,-5}={0,0}................2ᑖ

105.2010\]^_`a⚪cᑖ10ᑖ᝞dᩩfghi☢Ḅ☢kᑖᡂmnḄopᑖ"ᡃrhsᩩfgtusi☢Ḅᩩ☢knᑖg.᝞"
ḄᩩvgᡠᙠḄfgy
Ḅᩩ☢knᑖg.1z{Ḅ|gஹ~gஹ{ᑖgᑖᡠᙠḄfgz{Ḅ☢knᑖgḄᨵ2
᝞1,ABC஺|"AB//DC,᝞d0cᑮE,CE=A8,^AE,ᨵS2siᡂḄᳮᵫ"@1AABCDḄ☢knᑖgᑏ9"ᶇ3
᝞"
ABC஺|"488"S^>S@14ᔲ
ADC&ABCABCDḄ☢knᑖg"2O☢knᑖg""ᳮᵫ.ூCᫀ௃I
|gᡠᙠḄfg.......................................................2ᑖ2
9τ^8E.uAB஻C£,A8=CE.ᡠ
A8ECu

ᡠBE஻AC...............................................................................................3ᑖᡠaAB¡¢AECḄ£ᐳAC¥Ḅ¦§mn.ᡠᵫS_-.AM-S.tfrᡠE¨=S©.”S£>+S.'41Sj9ª,«AEBCm¬ᓟ1F.uABHCE.ᡠZABF«Z^CF.ZBAF-ZCEF.®uA3-CE.ᡠ¢ABFSfiZiECF...............4ᑖᡠS..4*D■S.¯+SAW=UE'S,HA=SAMf஺
5ᑖ@1°Ḅ±°BCDḄ☢²nᑖgḄ᱐9᝞´ᵫ1
ᡠ=.

113
.iittAC.@1H/ᙢ,஻AC¬IX'Ḅ·g¸1£ºAE.u8E஻AC.ᡠaABCm^AECḄ£ᐳAC|Ḅ~§mn,ᡠS/wr—Sj.An.ᡠWS..Q0«•S4fO+S-—S©"+S..4„-SAWuSc”>S.ஹ'ᡠ☢¼nᑖg½¾CDm¬.¿DE|1F.ᑣÁgAFᓽu⌕ÄḄ
A8C஺Ḅ☢Ånᑖ᪥.ᵨ᝞62
ᡠ=........................26.2010ÇÈÉ|ὃᓝ°ÌÍÎÏᦪÑÒÓÔÕÖᓫØ☢Ù|⚔1ᦪV
ஹ☢ᦪF
ஹ᪥ᦪE
ÛÜÝᙠḄiᨵÞḄᐵà;,átuÓÔ£;.2âãäᑡæçÖᓫØ☢Ùèé"êCäᑡë⚪S
☢ÙìÙí°îÙí¸S☢ÙI
᪷ð¥☢Ø☢Ùèé"ñᡂ⊤ò|ḄóòSØ☢Ù⚔1ᦪV
☢ᦪF
ôᦪE

☢Ù44▲ìÙ8612í°☢Ù▲812íᓝª☢Ù201230!õ⚔1ᦪ”ஹ☢ᦪF
ஹöᦪE
ÛÜÝᙠḄᐵà;▲2
iØ☢ÙḄ☢ᦪø⚔1ᦪᜧ8,úᨵ30ᩩö"ᑣsiØ☢ÙḄ☢ᦪ__4__3
ûiüᴻ⛲ÿḄ᜜ᓫ☢,Ḅ᜜⊤☢ᵫᡂᨵ24⚔⚔ᜐᨵ3ᩩ".$%☢᜜⊤☢Ḅᦪ'*Ḅᦪ'y)m+yḄ+.ூ-ᫀ௃1
6,6V+F-E=22
203
0☢Ḅ☢1'x+y,"ᦪ224X3+2=363ᩩ,᪷5V+F-E=27824+x+y
-36=2,.*.x+y=147.20109:;<=>ὃ@ABᙠẆE;ᦟ᱐HᨵIḄᙶ᪗LMN8ᑮPQ┐STUOABCDE,VW$XYZᙶ᪗L᝞\%ᙶ᪗L]O'^_`OA'Xa_`OE'ya]TUOABCDEḄb'Zᓫ2b஺ᙶ᪗L>ḄdeZPᵨ-ᨵhiᦪS3ᐘᓃ@ᩭ⊤mᡃop0ᨵhiᦪS3a,b@'PḄᙶ᪗஺ᙶ᪗L>Ḅᙶ᪗Ḅqrst᝞uvi
xawMḄᙶ᪗'3x,0
,ᐸ>m'Mᙠxaw⊤mḄiᦪz

12(ii)yawNḄᙶ᪗'(0,஻)ᐸ>“'Nᙠ)),aw⊤mḄiᦪ;(iii)ᙠxஹyawḄQḄᙶ᪗'(a,b),ᐸ21஺'QyaḄ`xaḄᙠxaw⊤mḄiᦪᓃ'QxaḄ_`yaḄᙠyaw⊤mḄiᦪ஺ᑣ(1)ᑖᑏAஹBஹCḄᙶ᪗(2)᪗M(2,3)Ḅ2z(3)K(x,y)'`ODwdZ)xyᡠ¡¢ḄᐵL¤஺(9238)ூᫀ௃(1)A(1,0)B(2,1)C(2,2),(3)y=2x