2022-2023学年湖南省岳阳市中考数学专项提升仿真模拟试题（3月4月）含解析

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2022-2023
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62022-2023
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272022-2023
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342022-2023
ᓭḕ□ὃᦪ⚗ᓣ⚪4ᨴ(ஹ⌱(⌱cᜧ⚪ᐳ16f⚪42ᑖ.1-10f⚪g3ᑖ11-16f⚪ᔜ2ᑖ.i1.kl-3i+5Ḅpqr<iA.2B.-2C.8D.-8ூz{|ᫀ௃Aூᑖ᪆௃ᨵᳮᦪḄᑣklᓽ.ூA௃-3i+5=5-3=2.ᦑ⌱A.c⚪⌕ὃḄ#ᨵᳮᦪḄᑣᨵᳮᦪḄᑣ#A⚪Ḅᐵ.2.k2016᧡2ᦪ6700000067000000gᦪᵨ¡ᦪ⊤£\iA.67x106B.6.7x105C.6.7x1o7D.6.7x10*ூz{|ᫀ௃CூA௃A67000000gᦪᵨ¡ᦪ⊤£\6.7x107.ᦑ⌱c.3.¨ᑡ+0ª#8IJ+«#IJ+Ḅ#iூz{|ᫀ௃Dூᑖ᪆௃᪷8IJ+IJ+Ḅ®¯⌲⚗²:ᓽᙠX☢ᑁ³(g+´µ(,-180஺᝞q,-¶Ḅ+·¸¹ᩭḄ+»ᔠ½¾g+¿ÀIJ+᝞q(g+P(ᩩ1ᢚR1ÂÃḄÄᑖ·¸ÅÆ»ᔠg+¿À8IJ+.ூA௃AA.#8IJ+ÇÈᨵ#IJ+ᦑÈᨵÉᔠ⚪'HB.Èᨵ#8IJ+#IJ+ᦑÈᨵÉᔠ⚪'HC.#8IJ+ÇÈᨵ#IJ+ᦑÈᨵÉᔠ⚪'HD.ª#8IJ+«#IJ+ᦑÉᔠ⚪'.K35⚓/a53⚓

35ᦑ⌱D.c⚪ὃÊ8IJ+IJ+Ḅ²:ËÌ8IJ+IJ+Ḅ®¯#A|c⚪Ḅᐵ.4.¨ᑡklz{Ḅ#()A.(-2xy)2=-4x2y2B.x6-^-x3=x2C.(x-y)2=x2-y2D.2x+3x=5xூz{|ᫀ௃DூA௃AA.(-2xy)2%Ïᦑc⌱⚗┯ÑHB.x6-rx3=x3,ᦑc⌱⚗┯ÑC.(x-j)2=x2-Ixy+y1,ᦑc⌱⚗┯ÑHD.2x+3x=5x,ᦑc⌱⚗z{.ᦑ⌱D.5.kl(+—Ḅpq\()஺+1a+11A.1B.aC.a+1D.------a+1ூz{|ᫀ௃AூA௃¹C=Ó=1,a+1ᦑ⌱A.6.᝞1a,bÔ1cᡠÖ¨ᑡᩩ×Èᨵ·ᑨ®1abXÙḄ#()A.Z1=Z3B.Z2+Z4=180°C,Z1=Z4D.Z3=Z4ூz{|ᫀ௃DூA௃Ú⚪ᑖ᪆A.VZ1=Z3,<.3//b,ᦑAz{HB.VZ2+Z4=180°,Z2+Zl=180",N4=N3,<.Z1=Z3,<.a//b,ᦑBz{;C.VZ1=Z4,Z4=Z3,AZ1=Z3,H.a஻b,ᦑCz{HK36⚓/a53⚓

36D.N344#I⚔ÝÈᨵ·ᑨÞab#ᔲXÙᦑD┯Ñ.ᦑ⌱D.ὃXÙḄᑨ®.7.àk¶Ḅ4ᙠiA.45áâB.56áâC.67áâD.78áâூz{|ᫀ௃CூA௃Aᵫ36<38<49,ᓽä6<å<7,ᦑ⌱C.8.᝞ᡠ£Pᑮ1/Ḅèé#iC.$PCḄêD.$"஺Ḅêூz{|ᫀ௃BூA௃Aᵫᑮ1Ḅè鮯"ᑮ1/Ḅèé#$P8Ḅê,ᦑ⌱B.9.ìᦪím-2
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382⚪ὃḄឋ9"Ḅᑁ"Ḅᑁa⚪Ḅᐵ.12.᝞ga!ᵫ4-Ḅ+ᡂḄgḄgaPbB-I□IC-τIID.ூ+VWᫀ௃AூZ௃⚪ᑖ᪆]^Ḅga'+ᡂᦑWᫀ⌱A.ὃ2Ḅg.13.¡¢O£¤ᦟ¦§¨©ª«ᦟ¦Ḅᢗᐭ2012®ᢗᐭ3000¯ᐗ⚜²2014®ᢗᐭ5000¯ᐗ.³ᦟ¦Ḅ®ᙳ´µ᳛Ox,᪷¸⚪¹☢ᡠᑡ»+VḄaPbA.3000/=5000B.3000MJ+%b2=5000C.3000MJ+x%b2=5000D.300MKP7+xb+3000MJ+xK2=5000ூ+VWᫀ௃Bூᑖ᪆௃´µ᳛¼⚪!½ᵨ´µ@Ḅ¿=´µÀḄ¿XP1+´µ᳛bÂ᯿⚪᝞ijᦟ¦Ḅ®ᙳ´µ᳛Ox,᪷¸“2012®ᢗᐭ3000¯ᐗ⚜²2014®ᢗᐭ5000¯ᐗ”]ÇᑖÈᵨx⊤Ê2012Ç@C®Ḅᢗᐭᯠ@᪷¸ÌÍᩩÏ]^H».ூZ௃³ᦟ¦Ḅ®ᙳ´µ᳛OX,ᑣ2013Ḅᦟ¦O3000XP1+xb¯ᐗ2014Ḅᦟ¦O3000XP1+xb2¯ᐗÐÑ]^»3000XP1+xb2=5000.ᦑ⌱B.⚪ὃ!ᐗ&D»ḄÒᵨÓÔ⚪!½a᪷¸⚪ᑖÈᑡHÕᨵÖᢥ´µ᳛ᡠ^ᦟ¦⚜²ᢗᐭḄᦟ¦-ØḄ».14.᝞gÌÍAABC,AB

39¹ᑡ⌱⚗+VḄaP)ூZ௃VPB+PC=BC,PA+PC=BC,3.PA=PB,᪷¸ãᚖᑖåᳮḄ⌮åᳮ]^2PᙠãABḄᚖᑖL,ᦑ]ᑨèB⌱⚗+V.ᦑ⌱B.15.᝞gᙠh48CjAB=AC,AD,5EahZ8CḄCᩩjPa/஺LḄ!é2ᑣ¹ᑡãḄµØêCP+EPᨬsìḄaPbA.ACB.ADC.BED.BCூ+VWᫀ௃Cூᑖ᪆௃᝞gíPB,î⌕ðñPB=PC,ᓽ]óHPC+PE=P8+PE,ᵫPE+PBNBE,]^Pஹz40⚓/~53⚓

40BஹEᐳP8+PEḄìᨬsᨬsìO■Ḅµö.ூZ௃᝞gí÷8,'41⚓/A53⚓

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,284ᦑ⌱A.Z⚪ὃ\]⚪Ḅ4ᦪ8Ḅឋ_`abaḄឋ_baḄ☢,ḄcdCDḄ#efg⚪Ḅᐵh.Mஹ⌱j⌱UZᜧ⚪ᐳ3l⚪ᐳ10ᑖ.17-18l⚪ᔜ3ᑖ19l⚪2nopo2ᑖq17.-5Ḅ/ᦪg_______ூCDEᫀ௃5ூᑖ᪆௃᪷u/ᦪḄvw`'xyz{.ூH௃I-5Ḅ/ᦪg5,ᦑ5.Z⚪|⌕ὃ\]/ᦪḄឋ_~ᨵᨵ!Ḅnᦪ/ᦪ0Ḅ/ᦪg0.>42⚓/A53⚓

4218.᝞AஹBஹCg஺OḄNAOB=70஺ᑣNACBḄᦪூCDEᫀ௃35°##35ூᑖ᪆௃`'᪷uᙊᕜavᳮᓽyz.ூH௃IBஹCg஺஺Ḅ408=70஺,NACB=g/4OB=35஺.ᦑEᫀ35஺.Z⚪ὃ\Ḅgᙊᕜavᳮᙠ!ᙊᡈᙊ!ᡈᡠḄᙊᕜaᩩᡠḄᙊaḄjgE⚪Ḅᐵh.yi=^-x,hIy2=JJx,bIy3=-JJx,LIy4=-,OAi=L"19.᝞,ᩩ`hI33Ai#AIA2-LX¡hA2,¢"A2#A2A3JJ1¡I2A3,¢"A3#A3A4JJ3¡yA4…ᑣA2ᙶ᪗¦A2018Ḅᙶ᪗ூCDEᫀ௃জ.U1,2,ঝ.UU2I©q*1U«!qᑘ7q.3323®=j@-x,ஹ/q>h>yஹூH௃I2I6Iy3=-JJxI4<33/3ஹ4°®¡30Ḅa2017=168xl2+lZ2017ᙠXḄCOZ2=--------[cos30>43⚓/A53⚓

43=±OAi=U±q2,0/14=U²q3,333<ஹ=>⚪(7ᜧ⚪ᐳ79*⚪,ᐳ68ᑖ)20.cdI(1)4cos30°+(1-72)°-V12+1-2|.(2)vw³dI´µ¶ᦪa,b,ᨵa+b=a(a-b)+1,·g¸¹Ḅº»ஹ¼»½¾»d¿᝞I2௜5=2x(2-5)+1=2x-3
+1=-6+1=-5জx(-2)೙3ḄÀ¦ঝ3೙xḄÀl13,xxḄÁÀÃÄᙠÅvḄᦪ⊤Çᩭ.~3~1~~0~~1~~2~~3^ூCDEᫀ௃(1)3¦(2)জ11¦ঝx>-lூH௃ᑖ᪆I(1)᪷ua┦aba4ᦪʽËᢣᦪÍḄµwᓽxEᫀ.(2)᪷u⚪µÅḄd»ᑣᓽxEᫀ.HI(1)η=4X1©+1-2e+2=32(2)জη=(-2)X(-2-3)+1=10+1=11®V3®A=3(3-x)+1=10-3x/.10-3x<13••.x>-1ᙠᦪ⊤Ç᝞I>44⚓/A53⚓

44"^3-2""®_012~~3^ÐIZ⚪ὃ\]ÑÒḄd.Ó⚪ḄᐵhgÔᵨd»ᑣZ⚪Ö×Ạ⚪Ù.21.(1)cdI(-2x2y)3+(-4xy2)¦(2)Þ᝞DgAABCḄABjAB//FC,DF¡ACE,DE=EF.xåIAE=CE.ூCDEᫀ௃(1)2x5y.(2)åçè᪆.ூH௃ᑖ᪆I(1)᪷u᦮·Ḅ◀»»ᑣcdᓽI(2)᪷uASAåçᓽ;HI(1)η=-8íî+(-4x/)=2x5y.'NADE=NF(2),JAB//FC,.NADE=NF.ᙠïCFEðDE=EF,NAED=ZCEF./\ADE^/^CFE,.AE=CE.ÐIZ⚪ὃ\]ᐰbaḄᑨvឋ_ஹóôḄឋ_ஹ᦮·Ḅ◀»õ⚪ḄᐵhgÔö÷×ZõÖὃ¹ὃ⚪Ù.22.ᡃùúÑ]]ûüýþÿ
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ᜧḄ7ᦪ◀GᡠᓰḄᑖᑡMᓽ;(2)@᰿ᢧᡊᨵ⁚Ḅ7ᦪ>ᩩdLMN⊡ᐙK᦮ᓽ(3)ᵨ360°X᰿ᙢᳮ⁚Ḅ7ᦪᓰ{7ᦪḄᑖᦪᓽ@ᑮ(4)ᑭᵨ᪵ZrM{Ḅᓽ@Tᫀ.⚪᪆X:(1)30+15%=200^TXZ[ᐳ,-.200^12ᦑTᫀ200(2)᰿ᢧᡊᨵ⁚Ḅ7ᦪ=200-20-60-40-30=50^⊡ᐰᩩdLMN᝞Nᡠ20(3)᰿ᙢᳮ⁚Ḅ7ᦪᡠᙠḄᡧdḄᙊijk360஺ஹ---=36#;200ᦑTᫀ36(4)2000x——=600^200TXn1᪥sᨬᜧᾯ⁚Ḅ127ᦪk6007.£¤X¥⚪ὃ§.ᩩdLMN¨ᡧdLMNḄ©ª.«¬®ᩩdLMN¨ᡧdLMNᔜ°Ḅ±²ᐵ´k¥⚪Ḅᐵµ.w46⚓/{53⚓

4623.¶·¸Ḅ▲º»¼½¾¿ÀÁḄ4º#ᨵÃ60h"஻?(ᓽÉÊ/s),ÍÎÏᳮ/ÐᙠÑn»¼100"?ᜐÓÔ.;º#ÕÖ£4ᙠ᝞NᡠḄᙶ᪗´ZÚÛNݽÖº¼·8cᙠxݽ£8ᙠ4Ḅᓅâã60°ᔣ½£஺ᙠ£æḄᓅâç45°ᔣ½.(1)ᙠN᪗F⊤60°é45°Ḅj(2)ᑏF£8ஹ£Cᙶ᪗(3);ìÀÁí£8ᒴº4Âᑮ£Cᡠᵨïð15.S-.OqÎÃMᑨónÀÁᙠô·▲º¼½kᔲº?(ZöV4-1.7))Ê"___________________C/O/x/m*'4(0,-100)ூ}~Tᫀ௃(1)Z0AB=60o,Z0AC=45°(2)CḄᙶ᪗k(100,0)(3)nÀÁᙠô·▲º¼½º..ூᑖ᪆௃(1)᪷BᔣjḄ¿ýᓽ⊤60஺é45஺Ḅj(2)þ©஺4=100W]BஹCḄᙶ᪗08ஹ0cḄᓄ(3)ᐜ8cḄ◀!ᑮ#$Ḅ%&'60km/h(ᓽWm/s)12ᑨ34ᔲ6%.ூ9௃(1)᝞=ᡠ?NO4B=6Q°,ZOAC=45°(2):ᙠ48஺E0=100,/ᕒ40=60.,.OB=OJ«tan60°=10073,.•.S8Ḅᙶ᪗(-100y/3.0):U/OCVῪOC=O/=100,Ḅᙶ᪗(100,0)(3)BC=BO+OC=100^+100^270(/n).2704-15=18(m/s).18YZ...[#$ᙠ\]▲%_`6%a.3b47⚓/d53⚓

47'ஹஹ0x/mஹஹஹஹ/'ஹஹ6^45/',^g0,-100hi⚪ὃlaḄmᵨ-oᔣq⚪rsḄq⚪rsᓄḄq⚪tḄouvwx.24.y6z{|2ᐗḄ~ᙠEᖪḄᓫ|xgᐗh'yg᪷hᨵ᝞ᐵᓫ|Xgᐗh3456yg᪷h40302420g1hyxḄᦪᐵg2hᖪᑭW,W'xḄᦪᐵᱥ|ᖪ▲|10ᐗ/᪷¡ᔲ¢ᖪᑭ£¢¤¥ᨵ¢¤¦§ᳮᵫ.|20ூ¬ᫀ௃(1)y=---;(2)96ᐔ.xூ9௃²⚪ᑖ᪆g1h⌕᜛'XḄᦪᐵ·¸¹º⊤Eᦪ¼X'VḄ¾¿ÀÁḄÂ120,ᡠÃ᜛'xᡂÅ1ÆᵨÇᦪuᓽg2h✌ᐜ⌕Ã⍝Êᑭ=gᓫ|x-2hXᦪ஻\᪵w'xḄᦪᐵᯠÏ᪷¼⚪ÐḄÑ|¥ᨵ6¸10ᐗ/᪷Ò!ᑭḄᓫ|x.²⚪᪆পV3x40=120,4x30=120,5x24=120,6x20=120,xḄÅ1Æᦪ.k1of
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49AR1(3)জ᝞?3W+4ஹCஹ஺ᐳO஻_L/C4ᙠRtzXC஺”W..,OCT,ZCOH=30°,<.CH=HD=~,OH=—.ᙠRtzUO”W,22AH=-JoA1-OH2=—,BD=AC=CH+AH=.22᝞?4W+“ஹCஹ஺ᐳ஺”_LZC./n_1A᧕wAC=BD=AH-CH=—~.2Oᡠ2+/ஹCஹ஺FᐳBDḄJ!¡+1ᡈ¡-1/22(4)᝞?5Wᵫ⚪QCᙠ஺!ᙊ1!Ḅ஺஺OU஺0HL4B`H,X஺஺(7ஹC",C8ḄJᓽ!PCḄ[C"//ḄJᓽ!PCḄᨬ][.᧕wCḄ[=3,PCḄᨬ][=0-1.50⚓/53⚓

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52}মTa-12+a+22=4-12+-6-02,᦮ᳮ6a2+a-20=0,
6a=4ᡈa=-5,I.ᩞḄᙶ᪗4,-ফᡈ-5,-3I259]ᡠ”Ḅᙶ᪗----Eᡈ4,-12ᡈ-5,-3.22ூ௃⚪⌕ὃḄ{ᦪḄᔠYᵨ
⚪⌕Yᵨᦪ¡{ᦪḄ
᪆ஹ¢ᢚḄឋ¤ஹ&¥Ḅ¦§¨©ª&¥Ḅ¦§¨ᑡ«ᐵaḄ+,
⚪Ḅᐵ®.n53⚓/53⚓