江苏省苏州市苏州工业园区2022年中考数学仿真试卷含解析及点睛

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2021-2022ὃᦪᔁ⚗1.ᔁὃḄஹὃᑏᙠ⚪ᓱ"஺2.$⌱&⚪'⌱()*⚪ᫀ,ᵨ./0⚪ᓱ"12⚪3Ḅᫀ᪗56᝞◤ᦋ:ᵨ;<=>?,@⌱5ᐸBᫀ᪗஺$C⌱&⚪'ᫀᑏᙠ⚪ᓱ"ᑏᙠDᔁ"Eᦔ஺3.ὃGH,DᔁI⚪ᓱJKL$஺Jஹ⌱&⚪M)*⚪NᨵJPQRᫀ)*⚪3ᑖTᑖ30ᑖU1.J*V8WXJᑖYZ[Ḅ\ᦪ᝞]150,176,168,183,172,164,168,185,ᑣ_Vᦪ`ḄWᦪaMA.172B.171C.170D.1682.ᙠcdefᜓhijḄkl]cdḄmnfopqefᜓh᳛ᡂtuvᐵx.zefᜓh᳛a7.5%'{cdmnfopa400|ᐗ᝞~efᜓh᳛"ᑮ8%'cdmnfop|MUA.20B.25C.30D.353.᝞ᙠABCDஹEᑖᙠABஹACḄtᔣ"]☢uviᑨED஻BCḄMUBACAEADAA.=B.=BDCEECDBED—EAI__E_A___A__C_BCAC,ADAB4.᝞RtAABC⚔C'┐90஺ᑮVA'3'C,AANl=20°,ᑣḄᦪMUA.70°B.65°C.60°D.55°5.¡¢{᪥᝕¥ᵪ§¨23©ª«Ḅ¬ᙳᦪIWᦪ®13¯°,ᩭ²³ᐸJWXḄª«´µ┯·14¯ᑏᡂ15¯¸¹º»¼,QRḄ¬ᙳᦪaa¯Wᦪab¯ᑣ]ᑡG¾QRḄMUA.a<13,b=13B.a<13,b<13C.a>13,b<13D.a>13,b=136.᝞ᦪ¿"ḄAÀᡠ⊤ÃḄᦪᑖaaஹbஹc,ᐸAB=3C,᝞~|a1>1஺|>Æ|ÇÈᦪ¿ḄÉ஺ḄWÊ2ᙠMU

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4ᦈḄᦪ᦮ᳮᑴᡂ᝞᦮Ḅ.᪷ᑡ!⚪:+,2+34ᡧ6(1)'()*Ḅ+,-ᦪ./0-1(2)⊡ᐰᩩ6;⊡ᐰᡧ6;(3)“?@AB”DEᡧ6ḄᙊGHḄIᦪ.JI;(4)᝞MN᪥+,ᨵ2000-RSN᪥“T-U〈”2+Ḅ+,Wᨵ/0-?23.(12ᑖ)᝞M.[@\]6A3CDḄDHa2ḄJbcaAMdefbgdOCḄijaefb”.(1)klmAM2=MF.MH(2)BC2=BD.DM,klmZAMB=ZADC.24.(14ᑖ)ᙠ[☢rHᙶ᪗uxOyJ(xᦪy=1«+1Ḅ}d¥efb8(0,1),dxᦪy=—Ḅ5}efbA(3,-2).(1)kxᦪḄ⊤4J(xᦪ⊤4;(2)bC.y2JbBC=BA,rUᑏbCḄᙶ᪗.

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7ூ௃'⚪ὃ*¯ëìḄឋîïῪrHÝH6Ḅᑨ¥dឋîÝH6ḄJ᜜HïfdôõöḄᑁHḄḄឋîþÿᔜឋ⚪Ḅᐵ.5ஹAூ᪆௃⚪᪆•••ᩭḄᙳᦪ13/.13x23=299Ḅᙳᦪa=^=12.97<13,•••ᩭḄᦪ13!14ᑏᡂ15ᨬ%Ḅᦪ&13.,.b=13ᦑ⌱A.ὃ*1.ᙳᦪ+2.ᦪ.6ஹCூ᪆௃᪷-./0ᦪ12⊤4ᦪḄ*ᑮ*Ḅ67ᑖ9ᑨ;<*AஹBஹCᑮ*Ḅ67Ḅᜧ>?@Aᑮ*ḄB,ᓽEA.ூ௃V|a|>|c|>|b|,•••*Aᑮ*Ḅ67ᨬᜧ*CᐸG*Bᨬ>HAB=BC,I*OḄBᙠ*BஹCK%L☠N*BḄᙢP.ᦑ⌱C.ூ௃Q⚪ὃRSTᦪUᦪ1ᳮ./0ḄWX⚪Ḅᐵ.7ஹCூ᪆௃RtAABCYZ[ᣚAᑮRtAODE,]ᐜ_`ᯠbcᓽEூ௃••,RtAABCdZ[ᓄAᑮRtAEOO,*5Ḅᙶ᪗h0,1,OD=2,.DO=BC=2,CO=3,

8.•.!iABCj*Ckl┐_`90஺oᔣqc3rᓫtuᓽEAᑮAOOEᡈ!iABCj*Okl┐_`90஺oᔣwc3rᓫtuᓽEAᑮ4DOE,ᦑ⌱C.ூ*y௃{⚪ὃRḄᙶ᪗U|[ᓄ_`}cḄ~⚪Ḅᐵᙠᑭᵨ_`}cḄᭆ}ឋᙶ᪗Ḅ[ᓄ8ஹAூ᪆௃Ar2᪷-┦ᦪḄឋE~cosA=—=—,ᯠb᪷-AC=2,PEAAB=3.AB3ᦑ⌱A.*yQ⚪⌕ὃRS|⚪ᐵ|0COSA=T^,ᯠbᐭᦪ0ᓽE.9,Cூ᪆௃᪷-ᦪḄᑣ/Aᑨ;+᪷-ḄP/Bᑨ;+᪷-᦮ᦪᢣᦪḄ¡X/Cᑨ;+᪷-IG᪷¢Ḅ£¤/Dᑨ;.ூ¥௃Aஹ¢=a3,ᡠ§A⌱⚗┯ª+Bஹ¢=a2b2,ᡠ§B⌱⚗┯ª+Cஹ¢=¬ᡠ§C⌱⚗+3Dஹ¢=2ᡠ§D⌱⚗┯ª.ᦑ⌱C.ூ*y௃{⚪ὃRSIG᪷¢Ḅ£¤IG᪷¢®£¤ᐜ¯ᔜrIG᪷¢ᓄᡂᨬ°IG᪷¢o¯±²Pᦪ®ḄIG᪷¢ᔠᔠPh´ᦪ®£¤᪷¢µ[.¶ὃRS᦮¢Ḅ·¸.10ஹDூ᪆௃᪷-¹ᱥ»Ḅ¼U´ᦪḄᐵ´ᓽE<½ᫀ.ூ¥௃

9_hᵫ¹ᱥ»Ḅ²ÀE~«<0,ᵫ¹ᱥ»Uy1ḄÁ*E~CVO,ᵫ¹ᱥ»Ḅ/Â1E~-->0,A*>0,2aabc>0ᦑজ+9Äx=3,j>0,**.9a+3b+c>0,ᦑঝ+VOA=OC<1,.\c>-1,ᦑঞ+b■/Â1h»x=l,:.------=1,.*./>=-4a.2aOA=OC=-c,Ȭ=-<;lj=0,.'.ac1-bc+c=O,.".ac-/>+l=0>.".ac+4a+l=0,.*.c=--Cl—ÌᐵxḄPaaxi+/>x+c=0((#0)ᨵÎr᪷hx,'.x-c=4,'.x=c+4=--ᦑট+a'6XlXIᑮ/Â1Ḅ67•••ÓுÕᦑঠ.ᦑ⌱D.ூ*y௃{⚪ὃRḄIGᦪ¼U´ᦪḄᐵ´IGᦪ×Ø1+h+஺´ᦪÙÚᵫ¹ᱥ»²ÀPᔣஹ/Â1ஹ¹ᱥ»U)1ḄÁ*¹ᱥ»Ux1Á*ḄrᦪW.{⚪ÜÝ⚪Þ.Iஹßà⚪(ᐳ7>⚪ã>⚪3ᑖäᑖ21ᑖ)11ஹ6.2ூ᪆௃᪷-⚪¡}┦ᦪE§ABCḄt?@E§½{⚪.ூ௃ᙠRtAABCVZACB=90°,IBC=AB«sinZBAC=12x0.515=6.2(:æ)½ᜧᔉÐèK%Ḅ67BCḄtéh6.2æ.ᦑ½ᫀh6.2.ூ*y௃{⚪ὃR|Ḅ]ᵨ½{⚪Ḅᐵ⚪¡ê<ᡠë⚪◤⌕Ḅᩩîᑭᵨ┦ᦪ}ᦪ|ïᔠḄðñ½.12ஹ2ᡈ2.ூ᪆௃

10⚪ᑖ᪆ᑖÐòóôõö┦|}÷|᪷-øùWᳮABD=16,CD=5,oᵫ|—3ூ᪆௃ᐜú᪛üý4ᡠᨵ36òÝEþḄïÿᦪ
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_ᑮABDE,/.AABC^ABDE,NCBD=60஺
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ᑖ69ᑖ)18ஹ(1)2-2r(2)-1ூ᪆௃(1)᪷᦮ᦪᢣᦪஹᱯbḄabᦪஹᢣᦪ¡'25<⚪;(2)᪷ᑖḄ◀C¤C'25<⚪.ூ௃(1)-(-I)2018-45/7260-(^-1)°

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