专题03 分式及二次根式-三年（2020-2022）中考数学真题分项汇编（全国通用）（解析版）

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,x-2>0[xN2,Sx/3ᦑ⌱A.ூ45௃\⚪]⌕ὃ8GᦪḄLMNOP;⚪ḄᐵB_`ᑖU᪷ḄឋW.3.2020abᓄde!+fgḄa-hb-a

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9ᦑ⌱Bூ௃⚪ὃᦪḄᓄ!"#$᎔ᦪᓽ&'119.2022(ᑁℳ+,-./ᑖ12Ḅ3450,ᑣxḄ37.x-1A.-1B.0C.1D.±1ூ8ᫀ௃Aூ:᪆௃ூᑖ᪆௃᪷=ᑖḄ30Ḅᩩ?ᓽ@AB8ᫀ.ூD:௃:᪷=⚪$"|x|T=0,x-1/O,Ax=-1,ᦑ⌱A.ூ௃⚪ὃEᑖḄ30Ḅᩩ?"FGᑖḄ3஺Ḅᩩ?ᑖI450JᑖKL45஺M:⚪ḄᐵO.20.2021(PQR⁐.Tx=-2U"ᑖḄ3M7.9+6x+ᔆA.-15B.-3C.3D.15ூ8ᫀ௃Aூ:᪆௃ூᑖ᪆௃ᐜXᑖIᑖKYZᑖ:["ᯠ]ᓄ!"ᨬ]Xx=-2ᐭᑮᑖaYZbcḄdeᓽ@Aᑮ8f.ூD:௃:3\-27,9+6x+x23
X2-9=x+3g37x+3.x-3.=x+ᳫ3x-3
x+3

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11Aஹ¶·:"ᦑ¸⚗┯»"L¼ᔠ⚪$§Bஹ¿À=3,ᦑ¸⚗┯»"L¼ᔠ⚪$§Cஹ2+3=5,ᦑ¸⚗bc"¼ᔠ⚪$§Dஹ(&+1)2=(0)2+2&+1=3+2"ᦑ¸⚗┯»"L¼ᔠ⚪$§ᦑ⌱C.ூ௃⚪ὃE©᪷ḄÂᔠve"bcᑭᵨ©᪷veÅᑣM:⚪ḄᐵO.23.(2022(ᑁℳ+Ƭ)¯ᑡÈ⚪জ(,Ê஻2)3=%5§ঝᦪ=1,,3,5ḄÎ2§ঞ[ᑖ:3V-4x=xa+2)(x-2)§টÑᑖÒḄ²Óᚖ²5Ò§ঠ/ÖᦪGᙠ¦ᦪᑁᨵ$Ù"ᑣXN1.ᐸaᎷÈ⚪ḄᦪM()A.1B.3C.2D.4ூ8ᫀ௃Cூ:᪆௃ூᑖ᪆௃᪷=ÜḄ'"ÎḄde"Ý⚗Ḅ[ᑖ:"ᚖÓÞᳮḄàá"©᪷ᨵ$ÙḄᩩ?"⌲⚗ᑨµᓽ@n:.ூD:௃:জᦑjÈ⚪MᎷÈ⚪ঝᦪ=1,3,3,5ḄÑᙳᦪ;(1+3+3+5)=3,ᡠÎ;[(1-3)?+(3-3?+(3-3)?+(5-3ᨴ=2,MçÈ⚪§@X3_4X=X(X2-4)=X(X+2)(X-2),MçÈ⚪§টÑᑖÒ(LM²Ó)Ḅ²Óᚖ²5Ò"ᦑjÈ⚪MᎷÈ⚪§ঠÖᦪ^/^^ᙠ¦ᦪᑁᨵ$Ù"ìílx-120,ᓽxNl,MçÈ⚪§•••ᎷÈ⚪ḄᦪM2.ᦑ⌱Cூ௃

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J/O,Jö?0,ᦑ⌱C.ூ௃⚪ὃE©᪷ḄÞÙ"«᦮ᦪᢣᦪøḄÞÙ"FGᐸÞÙM:⚪ᐵO.25.2022(xᓭúû.ᡃýþÿ7673=3,&'=3,16+«+
i=3,••6+)6+/6+…+=3,ᙢ᦮ᦪ஺b,“᪷a,b
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᪷ᦪ$ঝ991᪷ᦪ$ঞ'஺,380᪷ᦪᑣa=20$ট'x,y
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ᙠ,ᱥ.y=x-x.ᐸ01Ḅ!"ᨵA.1B.2C.3D.4ூ5ᫀ௃Cூ8᪆௃ூᑖ᪆௃᪷;<=⌲⚗ᑖ᪆ᑨAᓽC.ூD8௃8•.712+4=4,4,12
᪷ᦪ;

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᪷ᦪᑣᔊ7=x,.y->rx=X1,BPy=x2-xᦑট1ᦑ⌱Cூ*O௃P⚪ὃSTUVWX᪷8ᐗZ[\Z[]ᦪḄ<=ᳮ8<=8⚪Ḅᐵ`.26.2022abcdefx26+6
ḄghᙠA.10i11jkB.9i10jkC.8i9jkD.7i8jkூ5ᫀ௃Bூ8᪆௃ூᑖ᪆௃ᐜᓄn6x2o+o=6+ᔍᑭᵨotuvᑨ<ᓽC.ூD8௃w26+ᾙ=6+t•/M-ᵨ-,

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a=-l
A={1,
,-1},B={-1,1,0},⚪

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L᪷cḄ34ᑨO@8Ḅ34
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ᦑA⌱⚗┯T
UVᔠ⚪;Bc=0
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UVᔠ⚪;:ᦑ⌱C.

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23s37¿§ᦪ⊤Á/PQ᪷~±²ᦪÅÆ.x+3x-\•7+ÐyḄF/,42.s20212ÇÈÉÊᓄ7¿*=ᔊ1+3~rᦪÍx2-3xx2-6x+9Xூᫀ௃2021ூ᪆௃ூᑖ᪆௃ᐜ᪷ᑖḄ{Ò◀},ᑣᓄᯠ]rᐭxaFᓽ.ூ௃ᵫ⚪Ilx+3x-1X!=X-----x(x-3)(x-3)2x-9(x+3)(x-3)x(x-l)x_____________________x_____x(x-3)2x(x-3)2x-9ᔆN9Nr+xx----------5-X-----x(x-3)C-9x-9x~x(x-3)2x-91=d)2'¿”=Ø+3~,!=Ù==Ú,1ᦑᫀ#:2021ூ%&௃'⚪ὃ*+ᑖḄ{Ò◀Ûᔠ}Ý´ÞẠ⚪}àRwáuᓽa.43.s202023ᓅₚ6784=s%—20207°,6=—1=å3|,ᑣa,b,cḄᜧéᐵY/.sᵨீtë7ூᫀ௃b|}ìQᗩÆ᦮ᦪᢣᦪïðñF]òóᜧéᓽ.ூ௃

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25ூ᪆௃ூᑖ᪆௃ᐜpAB=g,AO=s*tᑭᵨwxḄyz'ᫀ.3ூ,௃-ᵫ⚪C'-DE=\,DC=15-12=3,■.•ZA=60°,Z4BC=90°,\AB=BC=^==yf3,tan60°y/3ᳮ-AD=-^=-J==—,tan60°V33\BD=AB-AD=>/3--=^-,33ᦑᫀ%-—3ூ:;௃<⚪ὃ?Ḅ┦Ḅ7ᑗḄᵨ*@᪷AḄ*''ᑭᵨ┦Ḅ7ᑗpḄ]l''<⚪ḄᐵH.46.2022L71*0.618ᦪ¡¢*℉¤ᦪ¥¦§¨©ª⌱VḄ“0.618”2®V¯ᑖ°-1.>/5+1ஹnc_22_100100³ᵨ$¡¢.´"=¶"=¶'·¸=ᵨ+ᵨ'$=6+»'…*$3=^^⃬+¾¿'ᑣ§+$2+…+5]=0Gூᫀ௃5050ூ᪆௃ூᑖ᪆௃ᑭᵨᑖAḄÁᑣᑖcpS/=L&=2,S/oo=100,ᑭᵨÇÈpᓽ.ூ,௃42..É-1JA/5+1-.67=-----,b=------122,V5-1V5+1,..ab=-----x-----=1,22_112+a+Z?2+Q+Z?.,/3]=----1----=-----------=-------=1,l+a1+b1+a+b+ab2+a+Z?5=l+2a2_2±£±£_2±4±4,22.1+/=2X=2X=21+஺+Z?2+஺~+6

261001001+4°°+1+/100—17^T7•_\a'm+b'm+a'wbm+5+S2+…+^0=1+2+...+100=5050ᦑᫀ%-5050ூ:;௃<⚪ὃ?$ᑖAḄÁ*@᪷AḄÍᔠ*p'ᑘ=1,ÏḄÇÈ<⚪ḄᐵH.47.(2022Lḝ°)ÓÔᦪÕ*2,ᢣ*2A/2....4D*ᢥØᑡÚAÛÜ᣸ᑡ-y/l.)2,^6,2>/2ßM,2à*714.4ßá2Ḅâã·%(1,2),V14Ḅâã·%(2,3),ᑣ2Ḅâã·%.ூᫀ௃(4,2)ூ᪆௃ூᑖ᪆௃ᐜÏäåÚᦪḄÇÈ*ᯠçtp'24Ḅâãᓽ.ூ,௃ᦪèᓄᡂ-,V12,714.;.♦•ÇÈ%-äåᦪ%ë2åìḄᏔᦪ*îÜ4ᦪ*ß2"=ï*28ð14Ꮤᦪ*ï14+4=3…2ß•2ñḄâã·%(4,2)ᦑᫀ%-(4,2)ூ:;௃<⚪ὃ?$ò¢:Ḅᙶ᪗õö▭ø⚪Ḅùúy▅iᳮùú.äåÚᦪᐰýᐵH.48.(2021Lþᓅ⎎
)ᦪ஺ஹb஺+|b+3|=0,ᐵxḄᐗ/-!+஺=0Ḅ"

27#ᦪ᪷ᑖ&'X,ஹ஽ᑣ+=.ூ-ᫀ௃'2ூ2᪆௃ூᑖ᪆௃11X,᪷567ឋ9:஺ஹᓃḄ<=᪷5ᐗ᪷>?ᦪᐵ?9:4+஽ஹXஹX/Aᐭ+=C~19.X"12ᓽG.ூH2௃2I;ᦪ஺ஹb^+|"3|=0,••a-2=0,஻+3=0,2:I4=2,h=-3,f-2x-3=0•••ᐗf-2x-3=0Ḅ"#ᦪ᪷ᑖ&'OஹP••X]+R2=2,4R2=-3,.11_X,+X22..--1----------=---,%xxx32i22ᦑ-ᫀ'I§.ூVW௃X⚪ὃ[Aᦪ\9<ஹ᪷\]^ᦪḄ67ឋஹ_`<Ḅ67ឋஹᐗ᪷>?ᦪabcd67ឋeᐗ᪷>?ᦪᐵ?f2-Ḅᐵg.49.i2021jkᓅmᑄopqrs1t#ᦪuvmwᑖᒘᦪ℉zᦪ{|}~⌱Ḅ0.6182ᵨmwᑖᒘᦪ.஺=1,஻=ᑣ=1,=C+C52=+]…221+d\+b\+cr\+b'5,0=1+7^+1+^'iJS+s?+•••+$”>=——•ூ-ᫀ௃10ூ2᪆௃ூᑖ᪆௃ᐜ᪷5=19S“=ᜓ+7i஻'᦮ᦪoḄ

282I-,ab=\,1an3“=----+--------1-------i஻'᦮ᦪo,஻1+1+6”1+¦஻஻(1+"’)1an=----1--------1+/+(")”]an+1’=1,E=S=■■■=S=1,2l0ᑣS1+SH---FS=10,2I0ᦑ-ᫀ'I10.ூVW௃X⚪ὃ[᪷\Ḅ©ªஹᑖ\Ḅ©ª«¬®¯°f2⚪ᐵg.50.i2021j±²ḝ´oµ¶·ᑡ¹\Iº=Ji+*+*=g=i+S¿᪷5ÀÁ¯°ÂªÃ+£+᳝+…+W020-2021=ூ-ᫀ௃-ᯅூ2᪆௃ூᑖ᪆௃᪷5⚪ÈÉᑮË஻#¹\ḄÌÍ'ι\ÏÍ'I>ÑḄe¿ᑭᵨt#ÛÜ:ᑮÝ\=ÒÒ—ⅉÕ2021,ᯠ×r/ᓄ'1-1.ᓄÙ-_____!_____ß'—!____2020x20212015=àáᑖᦪḄâ㩪ᓽG.2010ூH2௃

29L11τ12Iᵫ⚪ÈG,IT--H-----------=1H------------X7n,c=1Hyn"(஻+1)2஻(஻+1)20202020x2021X1+%2+å+,,,+-^2020—20211-+1—H-----..+1-------------------202126122020x2021=2020+1--202122320202021=2020+1——5——202120211-2021'ᦑ-ᫀ'IæçூVW௃X⚪ὃ[᪷\Ḅᓄèeɯ°2⚪ᐵgf᪷5ª\ÉḄ¯°᪷5ᦪéḄᱯëàáè쩪.51.(2021jíîÕï)ᦪ{ðñòÁÒóeÒôᙠöÜ÷ὁùúḄ⍝Aᦪ\9<ü⚪Ibaᦪ"ýþÿ
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30CD2Fᦪ஺bH
জ,ঝb-+2b=a+2®জ-ঝLa2-b2+3a-3b=0M(a-b)(஻+b+3)=0஺S/?=0ᡈa+Z?+3=0জ+ঝLa2-^-b2=4-a-b(1)஺=6*஺=bᐭ஺*+2஻=b+2La2+a-2=0L4=1,%=-2/.4=1,b=-229஺=b=lᐭᓃ2+2/?=4+2L3=3,ᡂ_M94=/?=S2ᐭ/+2/?=஺+2L0=0,ᡂ_M,஺=஻aḄ1ᡈ2ᦑᫀa1ᡈ-2M(2)/bᑣ஺+d+3=0,HPa+b=-3a2+b2=4-a-b•**a2+b2=7(a+b)2-cT+2ab+b2=9/.ab=1.haa2+b21abab1ᦑᫀa7.ூij௃k⚪l⌕ὃopᵨrᑖsSᐗuv-.wᐰy-z{|ᦪḄ}ᑖḄ~D~sᑣ}szk⚪Ḅᐵ.ஹ⚪52.(2022)ᐜᓄ0ᓝS(2a-l),ᐸa=3.a-\a-1ᫀ-a+1-2ூ᪆௃

31ூᑖ᪆௃ᢥ᯿ᑖḄ◀ᔠ~¡ᐜ◀0ᑖ¢ᑖ£¤¥rᑖḄ⌕rᑖ¤¥¦ᑖḄ⌕¦ᑖ*§ᓄaᨬ09”Ḅᐭ23©.ூB௃=-------^7----7\7-----7—(2஻—1)a-\(«+l)(a-l)a1=-----+---------2஺+1a-\a-\—(O-1)-2Q+1a-\=-஽+1Ma=3«=-3+1=-2.ூij௃¬⚪ὃopᑖḄᔠ~ᓄ~sᑣ¬⚪Ḅᐵ.53.(2020ᓭ¯°)ᐜᓄ0(Su-±•uu±u(a+2),ᐸa=2.(4+1a~-}tr+4a+4J3ூᫀ௃S■14+1ூ᪆௃ூᑖ᪆௃ᐜ᪷´ᑖḄᔠ~µ¶23ᓄᯠ?ᐭᓽ7.ூB௃cT—2a+1ஹ:3+2)(a+1a2-1/+4஺+4,a+2(a+1)(஺-1)---------------------------(a+2)a+l(a+l)(a+2)_a+2a-\4+1Q+l30+1

323஻=2«=MM~~-=12+1ூij௃k⚪l⌕ὃoᑖḄᓄᑖᔠ~sᑣ⚪ᐵ.54.(2022º»¼□)©Vi2+(3.14-^)0-3tan60o+|l-5/3|+(-2)-2.ூᫀ௃74ூ᪆௃ூᑖ᪆௃᪷´uv᪷ḄᓄÅᢣᦪÇḄÈÉᱯËÌḄÌÍᦪÎḄឋÐ{|Ñ᦮ᦪᢣᦪÒḄ~sᑣᑖÓᓄᔊ023FᦪḄs~.ூB௃=273+1-3^+73-1+-ூik⚪ὃoFᦪḄ~sᑣÕÖuv᪷ḄᓄÅᢣᦪ×ḄÈÉᱯËÌḄÌÍᦪÎḄឋÐ{|Ñ᦮ᦪᢣᦪÇḄ~sᑣ⚪Ḅᐵ.55.(2022ØÙÚÛ)©Ü-(-2022)0+2-.ூᫀ௃ூ᪆௃ூᑖ᪷´SÝᦪḄÞy-᪷ஹÅᢣᦪ}Ñ᦮ᦪᢣᦪ᠋Ḅ~sᑣ23~ᓽ7L.ூB௃à-(-2022)0+2-1=3-1+-2

33ூij௃¬⚪ὃopSÝᦪḄÞy-᪷ஹÅᢣᦪ}Ñ᦮ᦪᢣᦪáḄ~sᑣ}~ᵨᔜ~sᑣã¬⚪Ḅᐵ.(Q—2"+1>°56.(2022ᑁℳé;ê)ᐜᓄ0஺--ᓝS^,ëìí4a-5,Ḅ᦮ᦪ⌱ï(a)ð4SÝᔠ〉Ḅᦪ.ூᫀ௃a2+2a,3ூ᪆௃ூᑖ᪆௃᪷´ᑖḄ~{|◀~sᑣ23ᓄᯠ?᪷´ìí/4Ḅòᐭ«ᓽ7/ᫀ.ூB௃aa-2_(a+2)(a-2)a2aa-2=a2+2a>“+l>0জ'941ঝI3ìজLa>-\ìঝLo<2,••—1

3457.þ2022º»ᑁÙÿ1178+|-^-'|-2COS45°2ᐜᓄ/+1-+஽ᐸ!஺=-$஻=⌲+4.ூ)ᫀ௃D221—,ூ0᪆௃ூᑖ᪆௃1✌ᐜ4ᐭᱯ78Ḅ:8;ᦪ=>?@ஹBCD=>?EFGED2✌ᐜHᑖIᓄ4ᐭ“F6Ḅ.ூL0௃01MI='x2O+2-2x122=O+2-P=2cib—ab—a2MI=k+4e_"+e+4⁐_"Uhb-ab+ab-ab]b+aW஻=-X஺=6+4YMI=*+:_/=;-ூ]^௃_⚪ὃbc᪷IḄeᔠDஹᑖIḄᓄஹᱯ78Ḅ:8;ᦪghi᦮ᦪᢣᦪlḄDmn0⚪opq0rs⚪Ḅᐵu.58.2021wxᓅ឵{ᐜᓄ1-—ᐸ!஻=&-2.a+4஺~+8a+16ூ)ᫀ௃—Jஹ-V2ூ0᪆௃ூᑖ᪆௃ᐜCᑖI=>ᓄᯠ$4ᐭ=>0ᓽ.ூL0௃

35rsTia-2(஻+4)-a+420MI1-------Q77=1--------a+4(஻+2஻-2)a+27+2H஻=-24ᐭRS=-ᔊ;2+2=—O,ூ]^௃_⚪⌕ὃbc᪷IḄDhᑖIḄᓄmnᑖIḄDhc᪷IḄDq0⚪Ḅᐵu.59.(2021w)ᐜᓄ-J-2࠷!⌱ᔠ〉ḄxḄ᦮ᦪ4ᐭ.ூ)ᫀ௃~Tூ0᪆௃ூᑖ᪆௃᪷ᑖIᓄḄopF@E=>ᓽூL0௃(2x+5)-3(x+l)2-x0MI=2(x+l)(x-l)(x-1)2T.(1)2(x+l)(x-l)2-x_x-\x+1᪷ᑖIᨵḄᩩXH±1XH2.Wx-2

36DCAB(1)´µABEgµCO£ফAB=3ᚗ,BE=2,O¶¯AECFḄ☢¸.ூ)ᫀ௃(1)´¹º0᪆(2)6ூ0᪆௃ூᑖ᪆௃(1)ᑭᵨ¨@¯Ḅឋ¾´¹Ḅ=CD,?ABE1CDF45?,¿ᔠ8E=DF,À¿Á(2)ᐜᑭᵨ¨@¯Ḅឋ¾´¹AC=BO=6,ACA5஺0ᡠḄÃᑭᵨO¶¯AECFḄ☢¸=SVAEF+SVCEF=^EF^C,ᓽᑮ)ᫀ.(1)´¹¨@¯ABCC,\AB=CD,?ABE?CDF45?,QBE=DF,:qABE'CDF.(2)᝞®Å¿AC,¨@¯A8CE>,AB=3,\AC=BD=

37DCBABE=DF=2,\EF=6-2-2=2,O¶¯AECFḄ☢¸=Sv®+S=gEFgACVC£f=1Æ©6=6.2ூ]^௃_⚪ὃbḄqᐰÉ:8¯ḄᑨËÌឋ¾¨@¯Ḅឋ¾ÍÎËᳮḄᵨc᪷IḄ?EDmn“¨@¯ḄC8°ÐɳÑÐᚖÓÔᑖ”q0_⚪Ḅᐵu.61.2022wÖ×ØÙ:পVW2
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38ফèIᑖ0:Fæ—ூ0᪆௃ூᑖ᪆௃1ᐜᓄᡂᨬc᪷Iᯠ$᪷c᪷IḄOᑣDEᑣ0ᓽ;ফᢥ᯿ᑖIḄGõDEᑣ⌲oöᓽ.প0MI=3ï~ø?W3ïὃ=2஺2x12x1ä~ox2-4x+21(x+2)(x-2)x+22xx-22——ää~~oo(x+2)(x-2)(x+2)(%-20ᵫ⚪=7ü---ä:oᦑÞßḄáâ!ä:o(x+2)(x-2)_x+2---äOo(x+2)(x-2)1—---äæox-2Fäæoé¤┯ëᨬþ¨©Ḅ¿îÿ.ᦑᫀᑖ,ூ௃⚪ὃ᪷Ḅᑣ!"ᑣ#ᑖḄ$%!"ᑣ&'(Ạ⚪*+,-!"ᑣ.⚪Ḅᐵ0.62.320216789:;᝞=4x4@6x6ḄABC.ᵫEF1ḄGHAIJᡂ.=1.LᡂḄMNO=ᫀ,Pᵫ7R=IJᡂSᢥUV⌕X⌱Zᐸ\]R^ᙠ=2ஹ=3\bcdeḄB=I3⚔ᙳᙠBh;.=1=2=331;⌱]REIbᙠ=2\jPPḄ]R⚔^bclPᔣnop3RᓫrsᡠuḄ=I.32;⌱]Rᔠ〉ḄxIlPḄᔜEF᡽ᜧᑮ}ᩭḄbᙠ=3\.ூᫀ௃31;᪆32;᪆ூ᪆௃ூᑖ᪆௃

3931;MNO\ᨵREIᑖ.HAIoEI᪷⚪bc4=I⌱]ᓽ32;MNO\ᨵRῪxxIᨵxEFḄRxEF2ᖾḄRxEF2Ḅ]R᪷⚪ᑭᵨᦪIᔠḄ⚪ᓽ.ூ௃31;b"]⌱EIHAIU.᝞=1ᡈ=2EIoEIU.=3ᡈxEF0᡽ᜧᓽxEF¡ᑭᵨ¢£¤ᳮbc¦xEF$xxIU.᝞=5ᡈ=6xEF2&᡽ᜧᓽxEF2ᢈᑭᵨ¢£¤ᳮbcxEF2MxxIU.⚪ὃ(ª=op᪷Ḅ«"U#¢£¤ᳮḄeᵨ⚪Ḅᐵ0.¬ᑭᵨᦪIᔠḄ⚪&'\ὃ®ὃ⚪¯.63.320206ᑁℳ²³´;ᵨµ¤¶]·!¸'¹ᦪº"¼¤$µ஻=$%]À஻]3”᝞1^2=12X2-1X2-3X2=-6.]4-3-2-101234(1)X(-2)µÅ32;Æ3µÇ2-6,XºḄÈÉË^ᙠᡠÌḄᦪÍh⊤ÏcÐ.

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41জ-22=4;ঝ(T)">=-1;ঞ|-6|=-6&ᑏḄ.(2)ᐜᓄ#$%&.''3ᐸ)x+,x2_2x_3=0Ḅ᪷.(x-3X)X+6x+9ூ8ᫀ௃(1)টtan30o=ABঠ(-2D=!ড(G2)஺=1B28B(2)—34x+32ூL᪆௃ூᑖ᪆௃(I)᪷PQ,ஹST&ஹᱯVWḄXWYᦪ&ஹ[,᪷ஹ\᦮ᦪᢣᦪ_ஹ`ᢣᦪaḄbᑣᓽeB(2)ᐜfgᑁiᑖjḼlᑖmᑮo=pᯠrᑭᵨuᑖLbL,f-2x-3=0mᑮx/=3,x=-l,2ᑣᑭᵨᑖᨵz{Ḅᩩ}f4-1~ᐭᓽe.ூL௃(1)ᐸ┯ᨵটtan3(T=[Bঠ(-2D=!ড(G2)஺=1,34ḄY.UH1-61+33V3tan30°-/3x--4x-+l34--1+6+27G_1-1+1=28B/cஹ12nX*2-3X(2)------------------(ᡀ-3X)x2+6x+9_2x-x+3x(x-3)x(x-3)(x+3)2x+3x(x-3)x(x-3)(x+3)21x+3',.(x-3)(x+1)=0,x-3=0ᡈx+l=0,

42".Xl-3,X2--1.Vx=3ᑖᨵz{Ḅ&-1,D-1o=J-1+32ூ௃⚪ὃᦪḄLGᐗ',GuᑖLbᑖḄᓄ#%&.ὃᱯVWḄXWYᦪ&ஹ[,᪷ஹ\᦮ᦪᢣᦪ¡ஹ`ᢣᦪᘤ.65.¤2022¥¦§¨©ª▅¬ᩞᧇ:bcᩞᧇ1°ᐵ²1ḄGᐗ',³+´+஺=0¤஺#0ªḄ¶·᪷ᑴX2,ᑣᡭᓝᐗ2=--XlX2=-aaᩞᧇ2»¼Gᐗ',f—x—1=0Ḅ¶·ᦪ᪷ᑖ½“n%¿2஻+¿஻2Ḅ&.9L•Gᐗ',3GÂG1=0Ḅ¶·ᦪ᪷ᑖ½©ÃC.m+n=1,tnn=~\tĤJÆ2஻+Æ/=/஻Ǥm+஻ª=—1x1=—1᪷PÉᩞᧇÊᔠÌᡠÎḄ¼ÏÐᡂÒᑡÔ⚪¤1ªᩞᧇᳮLGᐗ',Ir2—?%—1=0Ḅ¶·᪷ᡭX2,ᑣx/+%2=;X1X2=.ফÚÛÜᵨݼGᐗ',"G3x—1=0Ḅ¶᪷ᑖ½ßஹ஻%à+áḄ&.mn¤3ªâãäåݼᦪsஹrçè2s2—3s—1=0,2é-3f—1=0,A%pG1Ḅ&.5tê8ᫀë¤1ª|■:--¤2ª-yব"7ᡈ_᝞ூL᪆௃ூᑖ᪆௃¤Iª᪷PGᐗ',᪷ñòᦪḄᐵòójôõᓽeB¤2ª᪷P᪷ñòᦪḄᐵòᐜ%ö+"=,""=-÷ᯠrøù+úôõûü%LᓽeB22mn

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44[?f-s=@A---=—=-^-=-717,2stst~2?"S=-BA---=—=-2-=Vn,2stst~2CDᑖ᪆)FḄ5JGᡈ-JG.stூKL௃N⚪P⌕ὃSTᐗ᪷UVᦪḄᐵVXᐰZ[\Ḅ:;]^᪷_᪷UVᦪḄᐵV34—5=`ᡈf—S=—`a

45