2022-2023学年重庆市江津区中考数学专项突破仿真模拟试题（一模二模）含解析

《2022-2023学年重庆市江津区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。

2022-2023
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52022-2023
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F-b12⚓/d56⚓

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28³BD=x,ᑣOD=x+l,ÀOB=OA=3,ᙠRTAOBD·BOB2+BD2=OD2,ᓽ32+x2=ÁX+1Â2,8§x=4,BDḄ4.20.Ã᪥ᝄÆÇÈÉFÊËÌÍÎÏÐÑἠᐳ¬ÔBᐸ·hÔᢣÖÑἠB×hÔؼÖÑἠ.ÙᵫÈÉFÊËᑖÚÛÜÝ}Ḅᵬஹ߬àÛáÁÛáᵬâ£ᑖஹÛáßâ«£ᑖÂ5ᢣÖÑἠḄãäBᙠ¬àÛáåæçÛÜNBᢣ┐ᡠᢣḄ¬àᦪêëFᏔᦪBᑣÈÉí§ᢣÖÑἠᢣ┐ᡠᢣḄ¬àᦪêëF᜻ᦪBᑣÊËí§ᢣÖÑἠᢣ┐ᢣᔣᑖ◞BᑣñòÛÜ.óôàf^]õᔩ÷øù᪛û}ᡈᑡ⊤BPÿᳮᵫ.ூᫀ௃:=5(23)5(2,3)....................(4ᑖ)14⚓/56⚓

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NOPEḄGHḄᚁ]A45஺KHḄᚁ]A30஺OPḄYZX_`V2N/a.bOJOPQRᑮdE⚔CᜐᑣOḄYZX_Afg215⚓/56⚓

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21¥í2îᙠÆḄåm>2.(2)᝞M⚔AḄᙶ᪗x(m,-m2+4m-8)vAMNw©ᱥḄᑁ6?hgiMN,Æ-B,tanZAMB=tan60°=---------4,BMᑣAB=VJBM=GBN,ÌBM=BN=a,ïljAB=J5a,...MḄᙶ᪗x(m+a,y/ja-m2+4m-8),:Mᙠ©ᱥ/.yfja-m2+4m-8=(m+a)2-2m(m+a)+4m-8,᦮ᳮUMa2-V5a=OUMa=6(a=0ñò)ᡠmAAMNwjxḄ?hgiSAAMN=—x2x3=3-^3i*mºᐵ.(3)y=0x2-2mx+4m-8=0,HUMx=m±-4w+8=¢±-2)'+4>:©ᱥy=x2-2mx+4m-8*xÆ,Ḅ/ᙶ᪗ᙳx᦮ᦪ,/.(m-2)2+4îwÖᐰQᦪ.'.mḄᨬ%xMm=2.ὃM¡ᦪᔠ⚪p22⚓/s56⚓

222022-2023
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23YZ[\G.᝞ᡠ^PᙠNDG_`QabcdHIJKLMJKḄGḄ⚔fgᙠAfCᑣiJKQḄ.RGTᡂZ[\GḄJKᔣᨵB.4RC.5RD.kᦪR6.ᙠJ☢mᙶ᪗pqᑖrsf/t0,8u+2,0MxZḄᚖx4y4z{x4y43|}~xy=-Ḅᐵpᑡq┯Ḅx''A..xq:ᨵ
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24GBC11.
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füPD=2AP,ᑣNPḄæ¼.ஹ(0ᜧ⚪ᐳ5)⚪34)⚪6ᑖ3ᐳ30ᑖ)13.(1)(a+1)(4—1)—(a—2)(2)ᨵX-12+3214.᝞ᙠAZB஺AB=8,8c=4,NC=6,C஺||'8,8஺(Ḅ*ᑖ,BDAAD-.E,0AEḄ1.15.᝞ᙠ345஻஺஺/8=2஺஺8918Ḅ.:;ᵨ=>?Ḅ@?ᑖBᢥDᑡ⌕0G(HᶇJKL)(1)ᙠ1GMAABDḄBD4QḄ,(2)ᙠ2RBA=BD,GMAABDḄAD4QḄS.16.TUVW9XY“ᐰ\ᦻ^_W”abᕜdefghiὅklmn.opq᫡ὁtuvw4x25⚓/z56⚓

25{᝕o}~ஹஹ⁑ᎥḄv2{᝕.ᑣ4{᝕o}~{ᑖBᑏᙠ4ᐰḄᓱᱏ☢3ᓱᱏ☢¡Q¢ᒴ8¤ᙠ¥☢Q᫡ὁtᐜw§¨©ᓱᱏªD{«wᒕḄ3ᓱᱏ§¨©x®ªD{.1¯oᵱ''²³''("³''(µ"ᨵ¶·”ᡈ¹ᯠ”ᡈ“§¨”»©ᓱᱏ“³”Ḅᭆ᳛92¾ᵨG᪛Àᡈᑡ⊤ḄÂ⊤ÃÄ»ᡠᨵ¶·ḄÆÇÈ0M“³”Ḅᭆ᳛.17.᝞ÊËÌÍᦪyÐᱏ0ḄÒÓËÌÍᦪy=2xḄÒÔ-Al,a,8Ö..஺ᙠx3Ò▲CA//yØZABC=90°.10ÙḄÚÛ.BḄᙶ᪗20஻CḄÚ.-QH------**Þ/IL;c3ஹâᜧ⚪ᐳ3⚪æ⚪8ᑖᐳ24ᑖ18.4ᨴ23è(éêëìèí“ëì¶îïÙHᢝñòó'ïÙôᑮö᠗øùïÙúûüᯠýþV᪥
ᑭᵨ▅᪥ᦻ᜜▅Ḅ᪵!ᑖ#ᕜᵨ%᜜▅Ḅ&'᝞)*ᦈ,ᦪ./᪥01220567#ᕜᵨ%᜜▅Ḅᦪ.᝞)8ᓫ::min?:30608150401101301469010060811201407081102010081᦮ᳮᦪ.ᢥ᝞)ᑖL᦮ᳮ᪵Mᦪ.N⊡ᐰ⊤R*᜜▅x8min?0

26ᑖ᪆ᦪ.⊡ᐰ)ᑡ⊤R]Ḅ^_`:aᙳᦪ]:ᦪcᦪ80defg(1)ᵨ᪵M]Ḅ^_`j_᪥#ᕜᵨ%᜜▅ḄTU:(2)᝞k᪥lᨵ400Vj_TU“8”Ḅᨵpq5r(3)Ꮇtaᙳ▅uM᜜vḄ160ᑖwxy⌱{u|^_`j_᪥#Vu}(ᢥ52ᕜ_~)aᙳ▅pqM᜜vr19.1u|ᢚᵫ)⍝ᡧTḄ⚓ᡂ᦮⚓Ḅᙠ᪾&⚓ᐵ2ᐸ¢£¤ᓄ¦§¨©⍝Z8=120C?Mᡧ⚓Ḅ஺஺=06=60஺¬8®Cᙠ°஺஺±03Ḅ²³ᨵ´(ᡠᨵfk¶ᶇ¸ᦪ¹u:).প»NOBC=50°,¾ACḄ(2)®C/Aᔣ°60cm¾0ᙠÁ&']°ḄÂÃ.(Äὃᦪ.*sin500~0.77,cos50°=0.64,tan50°~1.19,ᐔ23.14)o20.᝞ᙠÍ/BC]஺/CuÏ஺ᙊÑOCÓÃÔᙊ±8Cᑗ%C.&AÔ஺80Ö30Ḅ×Ø%஺Ù/Ú40.(1)¾Û*0஺ḄᑗØ4(2)»8C=6tanZABC=-¾Ḅ.3W27⚓/Z56⚓

27AÝஹ(Mᜧ⚪ᐳ2¸⚪#¸⚪9ᑖᐳ18ᑖ)21.âã╋åæçèᢄêëìêíᡝïᒹ₠ò|óâô|õö.ᑮᦈøù⁚¨©õöḄᡂMû8ᐗ/ᓟþᢗᐭ

ᨵᜩy(ᓟ)ᓫx(ᐗ/ᓟ)Ḅ!ᦪᐵ$᝞&ᡠ(.(1)+,XḄ!ᦪᐵ$./ᑏ1XḄ2356(2)89:;<=>ᜩ?@ḄᑭBCᑭBD=>C(3)FGᡝIJᐳL᤺4800ᓟ9:ḄQRS<40ᜩ᪷U(2)V?@ᑭBḄW.XYᔲ[\ᢇC^_`ᳮᵫ.4X(FA)200f-Isol........IJX.ஹ0>06(ᐗ/ᓟḄ22.ᙠfgZ8C஺VN/8C=60஺,opDqr8஺stuovZp

28ஹ¡¢ᜧ⚪ᐳ12ᑖ¦23.§¨§ᩲᙠª«F¬®!ᦪ¯⚪°ᔊ²᝞³´µ¶+·¸¹প»¼½ᱥry=-x?+bx-3o¡-1,0bᑣ6=,⚔oᙶ᪗<,½ᱥrᐵÇo¡0,1¦ᡂÈÉḄ½ᱥrḄ⊤Ë.D.ÌÍÎÏᡃÑ;Ò¶ÈǽᱥrÓ=0^+Õ+஺¡஺V0¦,vஹÖsḄoM¡0,m¦<{½ᱥrᐵÇoMÈÉḄ½ᱥry'ᑣᡃÑÚɽᱥry'<½ᱥrVḄ“ÝÞ½ᱥr”oM<“ÝÞ”.¡2¦»¼½ᱥry=--t2x+5ᐵÇo¡0,à¦ḄÝÞ½ᱥr<²,\áᩩ½ᱥrᨵão,+஻?Ḅ235.¯⚪·å¡3¦»¼½ᱥr᜛=᝞2+2vt6¡4/0¦জ½ᱥryḄÝÞ½ᱥr<²=hx2-2bx+/èH0¦á½ᱥrᨵáêãoាìDíÑḄ⚔o+a,bḄ3ïÝÞḄᙶ᪗6ঝ½ᱥryᐵÇo¡0,ñ+ᡝ¦ḄÝÞ½ᱥr<òᐸ⚔o

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32ᔲᑣPZÊᨵt¹.ூ%!௃Ë3bZt¹PZ'ᨵÌᩩt¹'Ëcf⌕ÎḼbZḄt¹°±'°±·;ḄPZqᡂḄPZ~t¹PZ']^PZ#e'ᔣ°±'ᔣ°±ஹᔣÆ°±ஹᔣÆ45஺ஹᔣÆ45஺°±Ò'°±·;ḄPZqᡂḄPZÓt¹PZ'ᦑ⌱C.?⚪ὃBCPZḄ°±ஹt¹PZÕeÖ'GHIJbZḄ1᪀ᱯÅ!?⚪ḄᐵN.6.ᙠ°☢Ùᙶ᪗Ü'ᑖÝÞ/ß0,8â+2,0³xḄᚖç&é4'êëç4é43ìíçy=-ḄᐵÜ'ᑡ1┯nḄx''A.ç7ᨵ~ᩩìíçòóB.ºâ=1Ò'ᩩçìíçḄóᑮḄòÕc.º-2â<0Ò'ᩩçìíçḄóᙠyøD.ºçìíçÓᨵóÒ'óḄᨬú2ூᫀ௃Dூ%!௃ூᑖ᪆௃᪷⚪jûmᱯஹýᱯᑖÝþᓽ#>.ூ%!௃ºm=0Ò'ÿ
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