2022-2023学年湖北省襄阳市中考数学专项突破仿真模拟试题（一模二模）含解析

《2022-2023学年湖北省襄阳市中考数学专项突破仿真模拟试题（一模二模）含解析》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。

o2022-2023
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x+1ᐵxḄÌÇᦪYÍxḄÎÏÑYxW3\Yyᙠx=l\ÎÒÏYᑣwᦪaḄÎÏÑ©2⚓/«57⚓

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3"ஹ#$⚪ᐳ9⚪%ᑖ72ᑖQ?-1Q+1a3—a+l'>017.ᐜᓄYߟ!_LRᙠ8ᨵVIḄ᦮ᦪ+⌱/!a2-2a+\a-\a-\[2a+2>0ᔠ〉ḄMjaḄ/¢ᐭ£.18.¥¦᪥¨ᑜWª«¬⌱®¯ᘤஹ±²ஹ³´ஹµ¶.j·¸¹¦ºḄ⌱»¼¦᪥½/;<¾᪵ḄU¶¿ÀÁᔁFÃḄ¦º5Ä⌱ÅÆcÇ:⌱Åᐸ+!¬'.ÉÊJ¿À¹᦮ᳮ³ᑴᡂ᝞ÎÏÐ8ᨵP᦮ḄѨÒ+ᡠÔÕÖ×ÎᑡÁ⚪¦º⌱®ÚᩩѨ¦º⌱®ÚᡧѨ1'ÝÞḄ¦ºᐳᨵAᙠᡧѨ+"Ḅ3R2'ᩩѨ⊡ᐙP᦮R3'ᙠÃḄ¦º+⌱µ¶Ḅᨵ2â᝕&¦ᐸäjᵱ&¦⌕-+;<¾/2â&¦¢⊤¦᪥`_¥èéêḄµ¶Òblᑏìᡠ¾/Ḅ2â&¦ាî31âᵱ&¦x1â᝕&¦Ḅᭆ᳛.19.᝞ᙠò/8CD+ᑖõö/3ஹ4஺ᑮEஹF,BE=DF,klECஹFC.£ùEC=FC.20.᝞ᙠ+Z5=90°,AB=6cm,BC=8cm.4⚓/57⚓

48(1)AZ3ᔣ6lcm/sḄ!"#$%஺88cᔣ஺2cm/sḄ!"#$.᝞)P,஺ᑖ,A,8-./0%12%AP8஺Ḅ☢4568cmM(2)Aᔣ81cm/sḄ!"#$%஺B8cᔣ஺2cm/sḄ!"#$.᝞)P,஺ᑖ,A,8-./0%9:P஺;ᔲ=ᑖᡂ☢4?5Ḅ@AᑖBC;%D/E$.FGCHᨵ;%JKLᳮᵫ.(3)C9:OᔣA/01cm/sḄ!"ᔣ8#$%஺P9C8OᔣC/02cm/sḄ!"#$%P,஺-./0%R12S%Ḅ☢4Tlen??21.᝞X%Yᦪ_y=x+b`abcYᦪ᜛="ḄXfg6h(i,3),8(—3,஻)@%lsmxn%ᚖpTC,qS%8C=5.(1)DYᦪ`abcYᦪḄ⊤tuG(2)᪷wᡠyᩩ{%J|}ᑏ/Hᨵ5ux+ḄGX(3)CP(pjJ,0(—2,%)abcYᦪ=XfḄ@%q2%DᦪPḄx.22.᝞X%஺஺T1,AB00Ḅ|%C஺0%}AC,஺஺᜜ḄDᙠ|9AB±.(1)CAC=5OB=BD.জDCDOOḄᑗ9.5⚓/57⚓

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72022-2023
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t;ᢥ⚪²,¬16-(y-1)t=16x-,4ᓽ(y-1)t=12,ᓽḄuᦪy=2ᡈ3ᡈ4ᡈ5ᡈ7ᡈ13.ᦑUᫀ^16._`ab⚪ᐗª£´ᐗªḄ¾ᵨSTᳮX⚪ÀᔜÂÃḄᐵÅSTᑡÆ?(ᐵÅX⚪ḄᐵÇ.14.È5ÉÊ.ËÌÍḄSᢗÏÈ5Ḅ9IÐÑ@.ூSTUᫀ௃ঝூWX௃ᑖ᪆a᪷¢SᢗÏḄឋ=aᐝÕᢥ5ᡠÖ᯿ᙠᱥÙÚᐸSᢗϾÛ.WXa᪷¢ᢗÏḄឋ=N¬ÜᱥÙ^.ËÌᑣSᢗϾ^Û.ᦑ⌱ঝ._`aSᢗÏᵫ_AÞḄᢗÞÕᡠßkḄᢗÏq^ᢗÏᵫ?à¤áḄᢗÞÕᡠßkḄᢗ14⚓/57⚓

14Ïq^¤áᢗÏ.15.᝞5AB஺0ḄãäCD_LAB,ᚖæ^E,çèAC.rNCAB=22.5஺CD=8cm,ᑣ஺OḄéã^cm.ூSTUᫀ௃4êூWX௃çèOC,᝞5ᡠÖ:aABOḄãäCD_LAB,.,.CE=DE=yCD=3cm,VOA=OC,,,.ZA=ZOCA=22.5°,VZCOE^AAOCḄ᜜ì.♦.NCOE=45°,/.íCOE^(Ὺì.ìOC=y/2CE=3^/2cm,ᦑUᫀ^3JL16.᝞5í/BCZBAC=75°,BC=7,í/SCḄ☢ð^14,D8cÊÚñ_9Mᨵ£3,Còᔠ@-oᑖ1ôÕA8,4Cõᢚ¬ᑮíA8E£í/3,÷øí/£■ûḄ☢ðᨬ;^.15⚓/57⚓

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ᑮ஺uiᡠᓰᙊḄCᦪ:(4)ᵨ/uiḄᦪ+5ᦪᓽ
!.ூ¹!௃!#(1)30+50%=60,ᡠª_Si`aᐳᨵ60L(2)CuiḄᦪ/#60><15%=9DuiḄᦪ/#60-3-30-9=18A.⊡ᐰ᝞#:.ui/DḄᑖᡠᓰᙊḄCᦪ/108஺L(4)3+60X=5%...aḄ᳛5%26.»¼½ᱥ&y=ax?+bx+cA(-1,0),B(3,0),C(0,3)(&L¿½ᱥ&ḄÀÁÂ.(1)½ᱥ&ḄᦪᐵÄÅL(2)½ᱥ&Ḅ⚔(ᙶ᪗L(3):P(¿&LÊḄ`tË(ÌAPACḄᕜᨬÎÏ(PḄᙶ᪗.ூ£¤?ᫀ௃(1)y=-x2+2x+3L(2)(1,4)L(3)(1,2).055⚓/557⚓

55ூ¹!௃⚪ᑖ᪆#(1)ᵫ'»¼½ᱥ&ÑXÂḄ%(ᙶ᪗ᑣ:%(Åy=a(x+1)(x-3),ᯠ´C(0,3)ÒᐭaᓽL(2)´(1)Ḅ!᪆ÅÔᡂ⚔(Åᓽ
ᑮ½ᱥ&⚔(ᙶ᪗L(3)ÕÖBC%I'P,᝞ᑭᵨÂÀÁ-ᨬ×Ø&K⚪
ᑮgÏaPACḄᕜᨬÎÙᑭᵨÚÛÄᦪÜ&BCḄ!᪆Å/y=-x+3,ᯠÝÞßà/1ÏḄᦪáᓽ
ᑮP(ᙶ᪗.⚪!᪆#(1):½ᱥ&!᪆Å/y=a(x+1)(x-3),´C(0,3)Òᐭ
a»l»(-3)=3,!
a=-1,ᡠª½ᱥ&!᪆Å/y=-(x+1)(x-3)=-X2+2X+3L(2)y=-X2+2X+3=-(x-1)2+4,ᡠª½ᱥ&Ḅ⚔(ᙶ᪗/(1,4)L(3)ÕÖBC%I'P,᝞L(AÑ(Bᐵ'&IÀÁL.PA=PB,L.PC+PA=CB,gÏaPACḄᕜᨬÎ:&BCḄ!᪆Å/y=kx+b,b—3b—3´C(0,3),B(3,0)Òᐭ
,â!
ã,,,3k+b=Qk=-\ä&BCḄ!᪆Å/y=-x+3,Ìx=lÏy=-x+3=2,.•.(PḄᙶ᪗/(L2).ὃ(#1.ÚÛÄᦪÜäåᦪ!᪆ÅL2.äåᦪḄឋçL3.ÂÀÁ-ᨬ×Ø&K⚪.056⚓/557⚓

56057⚓/557⚓