初一导学案(数学)_已识别

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111<2ᔢᙢT553ᓅᜧḄB¡¢ᨵ200184C¥:ீ4ுO᪥§¨✂ª«310ᝅd®ᜧ¯Nᐰ¨±<5BC²³´⌨·klᵨ10¸Ḅ]¹º᪛307500¼஺2⌱ᵨ〉¾ḄWH24.8X4.1+9.77Ḅaj஺345ᦪ4.0!1/QRᑮ,ᨵCᨵᦔᦪ:ᑖÅo2ஹ⌱*⚪4Ç45ᦪ1.20ÈᑡAHdÉRḄீAுᨵ3Cᨵᦔᦪ:QRᑮ¯ᑖTᨵ3Cᨵᦔᦪ:QRᑮ¯ËT?@3ᑖBCFஹEFGᓣ@5ᑖBC1ஹᙢ◫KᜧLᨵ20OPḄQRSᑮUV◤⌕WXYZ[\]56ᦗ_஺Ꮇ᝞ᡝbcᢥ4fPg8ᡝbc◤⌕⚔YZijᙳPᜩ

112◤⌕0.4ᓟn\]஺opqrᢝtuᨴᜧL◤⌕,)⚔YZ.,)ᔴ\].2ஹᦪyᦟ{|⚓952u~ᐰ|ᐳ185⚓7gᦟ{|Lᨵ,)u~.1L0.008ᔖq30Oᦪyᦟ{|ᩭᜧLᨵ,.ஹᦟ▬:ᑖᫀ<᪗:2.3600-3.(1).(2).¥EFG:2.[jᙳᓫ¡0u¢£¤.<᪗:2.2.0X103Km3.1.98X109KmEFG:1.(1).¦§ᑮᓟ¨ᨵ3,4©uᦔᦪ~i(2).¦§ᑮu¨ᨵ1,0,1,2uᨵᦔᦪ~.«<᪗:2.1,0,9,83.2800,160,2960,99EFG¬:পஹ358+35-161-64^168ফஹ358+35-162-65^166বஹ357+34-161-64^166ভஹ166.78,±«²4Ḅ³´µ¶ᜧ஺<᪗:2ஹ36X2+15+7+13=107,¶¥EFG:70ᐗ·<¸¹:1ஹ(1)»§ᦪ0পஹீ3ுஹভ,¢£ᦪ0ফஹீ5ு஺(2)10(3)ᓟ¨2uᨵᦔᦪ~ᑖ¿04,0஺

1132ஹ(4)A(5)A3ஹ(6)0.39ᐗ(7)18-300+15=20,(17.5-15)X20=50,3-ÀÁ50ᡠÃᣵ2-◤⌕18-஺EFGÅ1ஹ5000⚔YZ240Oᔴ\]஺2ஹ162250u~2100஺8.1Æ[ÆḄÇyÈ᪗Å1ஹÉ⍝ÆஹÆḄÇ[ÇÆḄᭆÌÍ¥ÎᑖÆஹ¶Ï~ÐḄ8ÑÒÓᦪÑ஺2ஹrᑨuᦪ0¶0ÆḄÇ஺3ஹÍ¥ÕÖ×ᓫØ▭Ú⚪KḄÜÝᐵßᑡÖÆ஺ÉáâyÅஹÉáãäÅåyæçÁè☢ḄÑêᔩ.ìæí3".X+2=68+x=13x-7=416-x=5ஹ▅ï

114ô#3".(l)5-2x=lফy=4xT(3)x-2y=6(4)2X2+5X+8:(5)3+2=5(6))7X8=8X7ஹᑡᔜ⚪Ḅᦪ"ᔲ"$%☢Ḅ'(Ḅ)*(1)x(x+l)=12,(x=3,x=4)(2)2x-3=5x-15(x=6,x=4)..ஹ᪷0ᩩ2ᑡ3'((45ᦪ"x)*প5ᦪḄ7895ᦪḄ3:ᜧ4ফ5ᦪ9$Ḅ<'42.ব>?ḄᕜA"40,A9CD10,E>?ḄAFCG✄IJ*1ஹᙠᑡᔜLMN'(ᨵP2+1=3,4-x=l,y2-2=5y+6,x"-3,x-l>22ஹᑡḄᦪ"S"$%☢'(Ḅ)஺(l)6(x+3)=30(x=5,x=2);(2)3y-l=2y+l(y=4,y=2)(3)(x-2)(x-3)=0(x=0,x=2,x=3)(4)x(x+l)=12(x=3,x=4,x=-4)(5)VW60⚓J⚪8.1AZ[2⚪3ஹᦟᩞP._J⚪&1AZ[1⚪

1154ஹaḄ᱆᱆Ḅcd"aḄ9:NᝤᝤḄcd"aḄ7.5:N᱆᱆9ᝤᝤᜧ6gNh4aicxgNᑣᑡ'(*.5ஹᑏ7P'(Ḅ)"x=lḄ7P'(஺.lmno1ஹx=l"'(ax+b=c(cWO),Ḅ᪷,E*u*vSwxyḄz{|3}~zJW⁚Vᨵᦈ஺*1ஹᦟᩞP.যJ⚪8.1BZ[1⚪஺(ᐰ)2ஹ᪷0⚪ᑡ'(*(⌱)PᦪḄ"1101,lᵬᦪ"ᦪḄ4:Nᦪ9ᦪD3,EPᦪᔜ"D8.27ᐗ7y'(zJ᪗*1ஹ7ᐗ7y'(ḄNm7ᐗ7y'(஺2ஹᔊ7ᐗ7y'()Ḅ¡(Nlm¢z7ஹ£7£*᪷0zᡠzlmNᑡ'(ᜧ¥E)ᔩ(l)3x=5;(2)6+x=10;(3)2x-4=18;(4)6-x=l.§ஹ}zVW*

1161ஹ¨©ªᡂᦟᩞMḄ“®¯”Nᳮ)ᦟᩞM²3ḄP³⚪஺(´ᑏP.161⊤¶)2ஹ·¸¹7ᐗ7y'(º»3¼P½¾஺3ஹ¿᪵ᵨ“Â×—”Ḅ'ÅE'(Ḅ)ஹ7ᐗ7y'(ḄmᑨÇᑡ"7ᐗ7y'(NhS"7ᐗ7y'(N|aÈ·¸஺31112x(1)-x=~(2)3x—2(3)-x--—1(4)5x::—3x+l=0(5)2x+y=l—3y(6)—7=5x-lËஹᵨ“Â×—”Ḅ'Å)ᑡ7ᐗ7y'(1ஹ2x+5=4x-l2ஹ6x-4=2(x+8)

117G✄IJ*1.ᑡᔜL()"7ᐗ7y'(N()S"7ᐗ7y'(஺(1)-+l=3x—4(2){Ìᓃ1(3)-x=0252(4)--2x=0(5)3x-y=lᓝ2y(6)-x-2=lx22ஹ5Ïz{ÈÐÑᐳᣎÔ131ᐗN9ÕÖ<ᙳ2ᐗØD335ᐗN4ÙPÏḄz{ᨵxÖN᪷0⚪ᑡ'(ÂÃ3xḄÚÈ3ஹ᪷0ᑡ³⚪N43ÛlᦪNᑡ3'(NÜᢣ3"S"7ᐗ7y'(*(1)Þ?ß⍝7ᕜA400áNâß⍝ßDᕜNãäß5000á(2)7På?Ḅæ9çæD3cmNè"5cmN☢é"Me//,Eçæ஺4ஹVWP.যJ⚪&2[1⚪ஹ[2⚪5ஹl'(2£w+3=5"7ᐗ7y'(Nᑣm=.lmno*1ஹl(ᵨ-1)”1-1=0,"ᐵëxḄ7ᐗ7y'(Nì¸m=.2ஹh2"ᐵëxḄ'(ax=-6Ḅ7P)NEaḄÚ஺

1183ஹ5ícîz{ᙠïNSðñòóôᡭöN÷7⍝⚪øùᑮ᝞ü᪵*“ᵬ¼ᙢþÿ40ᓟ᥅ᡲḄ45ᓟ/Ḅ35ᓟ/(☢ᑖ⌚)⍝!"⚪⊡ᐙ&᦮(ᑡ*+,஺./01234ᐗ46+,7᝞9ᑨ;4<+,3=34ᐗ46+,?!"01ஹAᑡ+,B3ᐵDxḄ4ᐗ46+,Ḅᨵ()(1)x-l=3,(2)--y=2;(3)2x-y=5;(4)4-3x=2x+l;(5)y2+2x=33(6)x=0;(7)-=2;(8)y+3=-4x.xA.(1)(2)(3)(4)B.(1)(2)(6)(4)C.(2)(4)(6)(7)D.(3)(4)(5)(6)2ஹ⚜YZ[⁚——^_Ḅ`aឋc஺8.3^_Ḅ`aឋcdYe᪗01ஹghijᳮl^_Ḅ`aឋc.2ஹmᵨ^_Ḅoᩩឋc^_qrstuqrvwᳮᵫ.3ஹyᵨ^_Ḅឋcz{ᓫḄ4ᐗ46+,ᓄᡂ“x=a”Ḅr_.d0ὃ4A01ஹ.w.⃩35o<3ᔩ7

1192ஹ.w.⃩ᜧ310.w.⃩ᜧ3ᔩ7d0da163164⚓ᑁ&ᡂA⚪:4ஹ^_Ḅ`aឋc11ஹᵨ^_Ḅ`aឋc102ஹᵨ¡¢⊤¤^_Ḅ`aឋc103ஹ¥¦§Y0(1)᝞¨a=b,2a+5=a+()(2)᝞¨x-3=5,2x=5+()(3)᝞¨2x=x-2,2x=()(4)᝞¨x+3=10,2x=10-()(5)ᵫ^_a=b,ªa+10=b+10ᐸᳮᵫ3(6)tᔲᵫ3x-l=2xªᑮx=l?®ஹ^_Ḅ`aឋc21ஹᵨ^_Ḅ`aឋc202ஹᵨ¡¢⊤¤^_Ḅ`aឋc203ஹ¥¦§Y0(1)᝞¨-3x=18,2x=sa(2)᝞¨4=2,2a=ߟ

1202L=y.(3)±x=yt=tªᑮ9-9ᕖ7127(4)±-3a=-3bt=tªᑮa=bᕖ7127(5)᝞¨;x=3,2x=()(6)᝞¨3x=T5,2x=()µ¶§Y01ஹ·24d᪷¹^_ឋcº*[<^_(v*Ḅºᑏ᪷¹஺2ஹ¼½0(1)ᙠ^_7m-6=3mḄoÀ,ªᑮ4nl=6,3᪷¹(2)ᙠ^_5a-7=8-9aḄoÀ,ªᑮ14a=15,3᪷¹320(3)ᙠ^_Ix=-5ḄoÀÃᡈ,ªᑮx=-3.(4)a+b=0,Ūa=sᵫa-b=0,Ūa=;ᵫ26=1,Ū(5)ᵫa=-2,b=-2,Ūabsᵫa=-b,Ūb=,-b=,2(6)xḄ4ÆÇ3Ḅᦪ3yḄ3,ᵨ^_Å⊤¤.É✄§Y01.⌱Ì⚪0(1)Aᑡ/ÍÎÏḄ3()

121A.·x+3=y-7,ᑣx+7=yTl;B.·7y-6=5-2y,ᑣ7y+6=17-2y;C.·0.25x=-4,ᑣx=T;D.·7x=-7x,ᑣ7=-7.Ñ2ÒAᑡvÓ┯ÕḄ3ÑÒ.®=2A.BaajUØx=y;B.·/=/,ᑣ-4x2=-4y2;_L3C.·-4x=6,ÙUx=-2sD.·6=-x,ᑣx=-6.(3)Ú^_ax=ay,Aᑡqr┯ÕḄ3().A.x=yB.ax+l=ay+lC.ay=-axD.3-ax=3-ay(4)AᑡvÓÎÏḄ3()A.^_oÀÃÛÜ4<ᦪᡈ4<᦮_ᡠª/¨Þ3^_sB.^_oÀÃß4<ᦪᡠª/¨Þ3^_sC.^_oÀÃ◀4<ᦪᡠ/¨Þ3^_sD.4<^_ḄáஹâoÀᑖãäå4<^_ḄáஹâoÀᑖãæÛᡠª/¨Þ3^_s2ஹz4ᐗ46+,5x-2=x+2qrx=aḄr_(vwçèqrḄé¹஺3.(1)^_3a-2b=2a-2bqrsoÀÃÛÜ2b,ª3a=2a,oÀ◀a,ª3=2,┯ᙠ12ᙢ+7(2)ᵫac=bc,ᑣa=b4ì3ÎÏḄᔩ7127

122(3)±xy=y,t=tªᑮx=l?127(4)᝞¨ᙠ^_5(x+2)=2(x+2)ḄoÀ◀(x+2)ímªᑮ5=2,îᡃð⍝5W2,ᵫòÅóôx+2Ḅõ^DöÇ7127÷øùú03,-2,4x-l,5x+4ooᵨ^ûüýÅþᡂöÇ<^_7ᐸBᨵöÇ<4ᐗ46+,?¦Ḽᑏ
ᩭ⌱ᐸḄ஺Ḅឋ"஺#$1ஹᦟᩞ165⚓B-⚪/⚪஺12ஹ12S=5(a+b)h<᪵>?@ABᑮ2=D(ᐸEFGDH0).8.4—ᐗOḄP(DRS᪗1ஹUᐗOḄVW“Y⚗”ஹ“ᔠ]⚗”^“ᓄ`aᦪḄcᦪd1”஺2ஹUeᓫḄᐗO஺gh“Y⚗”^“ᓄ`aᦪḄcᦪd1”஺

123iRjk1ஹlmnᑡᔜ⚪qrsḄᦪtᔲtvw☢ḄḄ(1)x(x+l)=12,(x=3,x=4)(2)2x-3=5x-15(x=6,x=4).2ஹᑭᵨḄឋ"nᑡᐗOᓄᡂ“x=a”Ḅ?.(1)"5=7(2)-5X=2aஹᙠiRjk/2⚪ᡃᑭᵨḄឋ"ᐗOᓄᡂ“x=a”Ḅ?tᐗOḄ஺ᙠw☢ᡃᵨ“——lm”ḄPḄ஺⁚1eᓄᐗOḄ,cᐗOḄP஺1ஹP.165—167,UᐗOḄVWY⚗——ᔠ]⚗——ᓄ`aᦪḄcᦪd1»(1)Y⚗⚗ḄYᑮ஺Ḅᨵ`aᦪḄ⚗Yᑮ¡D`aᦪḄ⚗(¢ᦪ⚗)Yᑮ£஺(2)ᔠ]⚗Y⚗¤¡£Ḅ]⚗ᔠ1ᓄdax=bḄ?(3)ᓄ`aᦪḄcᦪd11ax=b`aᦪxḄcᦪxᓄᡂ1஺2ஹ¥¦nᑡ(1)x-5=1(2)4x=3x-431—x=—(3)—5x=2ব23

124¨ஹ©⚪⌕«¬“Y⚗”“ᓄ`aᦪḄcᦪd1”Ḅ®¯஺nᑡḄtY⚗tᓄ`aᦪḄcᦪd1?±²>?Ḅ᪷´஺প5+x=3ফ5x=-2বlx=5(4)5x=3x-5·ஹ¸¹ºR1ஹ/P.167ºR1ஹ2ஹ3»ᚪl½:1ஹ:(1)3+x=6(2)x—15=211-X=-4X82(3)4x+7=6x+2-x743-x——(5)34(6)7x—5=-3x2ஹ¿»xÀÁÂÃ2x+l5x—2ḄÂ

125Ä1ÅÆÇÄ2ÅÈdÆÉᦪÊËÌᓣ1ஹÎ213+2¡=41tᐵHxḄᐗOᑣxḄÀÂt2ஹ᝞Ò3x+2a=12^3x-4=2ḄÆÓÔa=.3ஹÎx=0t2002x-a=2003x+3Ḅ,Õᦪ-ᙠ+2ḄÂ஺Ö×⁚ḄRA±
eᓫḄVWᔩÇᙠÙVᨵÚÛ«¬Ü⚗Ç#$ÄÝᕡ⚪ÅßᜩáᙠᜩâᓃäÃ⍗ᑮæᜩávᔣæá©è“èé100ßᜩá஺”æáj¿±“ᡃDt100ßêt᝞ÒëᡃÔìíîïÔìíîïᡃḄðíîïᡃḄðḄðñîòᩭ,ÓÔᡃt100ß஺”©ᜩïóḄæáᨵìôßÇ8.4ᐗOḄPÄ2ÅRS᪗1ஹUᨵqrḄᐗOḄP஺2ஹõᑖFḄP஺ghõᑖFÃ÷᧕ùḄ┯û஺üᦑaþ1.nᑡ:

126(l)5x-2=8(2)5+2x=4x2.õqrPᑣtÿ
“⚗”⌕
3ஹ☢Ḅᔩ
஺5x-l7(1)0.8x+(10-x)=9ব8~4)*+,-ஹ.☢/0123ᩖḄᐗ678.⁚:;ᡠḄ=1ᨵ2ᜧ@AḄ஺BC,:DP.167T69,IJᨵKLMᑖOḄᐗ6ḄP7QR஺1ஹJKLḄ——ᐵU1VWᙢYᵨ[KLPᑣ[KL7-(1)-2(x-l)=4(2)3(x-2)+l=x-(2x-l)2ஹJᑖOḄ——ᐵU1VWᙢ[ᑖO(^ὃ-᝞a[ᑖO
)-x-32x+l1ஹ1.ஹz(1)——r~=1(2)-(x-3)--(2x+l)=1cJ4J

1272x+l10x+l(3)e▼=1-[ᑖO7g2(2x+l)-10x+l=l[KL7g4x+l-10x+l=l⚗7g4x-10x=l-l-lᔠQij⚗7g-6x=-lkᦪᓄn1,gx=6.☢(3)⚪1ᡃḄ07Bᑨr•1ᔲVW஺uvVW7Bwxyᜐ┯|7Q}x┯|Ḅ~7ᯠᑏxVWḄP஺3ஹᐗ6Ḅᨵ
ᙠy07nx┯7nᱯA
-1ஹ:D168⚓71ஹ2ஹ32ஹ:D169⚓73ஹ:D170⚓7⚪A1ஹ4⚪஺)*-^ὃ-;ᨵKL᝞aᜐᳮ?᝞3x—[3(x+l)-2(x+4)]=l-⁚:⌕,I/¡¢£Ḅ7¤ᐹ¦Ḅ§y◤⌕

128Ḅ©⚗஺ª«-:D170⚓7⚪A2⚪Ḅ(2)(3)(4)M3⚪8.4—ᐗ6ḄP(3),¬᪗-®¯°ᐗ6ḄPᐗ6ḄP⚪ஹ⌱²⚪-1ஹ-l+x=2xḄ1()A.--B.-C.1D.-13332ஹᑡ᪷µ¶£Ḅឋ¸VWḄ1()Afl2-=cA.ᵫ—x=-y>x2yB.ᵫ3x-2=2x+2,gx=433C.ᵫ2x—3=3x,gx=3D.ᵫ3x-5=7,g3x=7-53ஹ¿BLÂÃ=1Ä,[ᑖO7VWÆ1()36A.4x+l-10x+l=1B.4x+2-10x—1=1C.4x+2-10x-l=6C.4x+2—10x+l=64ஹᑡ;71ᐗ6Ḅ1()(A)x2-4x=3;(B)x=0;(C)x+2y=l;(D)x-1=—.X5ஹ-2x=LḄ1()2(A)x-;(B)x=-4;(C)x=—;(D)x=-4.446ஹÈ)¶£3a=2஺+5,ᑣᑡ¶£;vÊᡂÌḄ1()(A)3a-5=2b;(B)3a+l=2b+6;25(C)3ac=2bc+5;(D)a=-b+~.337ஹ2x+a—4=0Ḅ1x=—2,ᑣa¶Î()

129(A)-8;(B)0;(C)2;(D)8.8ஹᑡÏ¢;7VWḄ1()(A)3x-2=2x+l,⚗7g3x—2x=11+2;(B)3—x=2—5(x-l),[KL,g3-Ö=2-5x-l;(C)Ðf=Ñ)ᦪkᦪᓄn1,gX=1;32(D)ÒÓߟÕ=1ᓄᡂ0.20.5Õஹ-2ஹ|(^-D-1=11ஹ2(x-l)=4Ú@+323ஹl-3(8-x)=-2(15-2x)23*3+15ஹ—x——(3—2x)=16ஹ519x-2c7ஹ5-3x=8x+18ஹ-X--------2==026x-lx-29ஹx-----=2------10ஹ2(0.3%+4)-5(0.2%-7)=923

130ÝஹÞᔠ-1ஹÈ)x=-1¿ß_L=£zàḄ7áâᦪ£2423-(-4m2+2஻2—8)—1஻
1)Ḅä.1312ஹuâᦪ£?y+1)-(2)-2)8âᦪ£1+?)7-3)Ḅäå¶7áyḄä஺3ஹu3(x-l)+8=2x+38(=æḄåi7ákḄä஺8ஹ5ᐗ6Ḅçᵨ(1),¬᪗-1ஹ,ᑡᐗ6èᨵᐵḄé▭ë⚪7¤xYᵨèé▭ë⚪Ḅì஺2ஹ®¯ᑡçᵨ⚪7íîᑖ᪆ë⚪ஹèë⚪Ḅðñ஺+,¯-ᙠòé¿ó;ᨵôḄé▭ë⚪◤⌕ᡃõ[è7öD÷øùḄúû+ü;Ḅë⚪7ᡃõ᝞aᵨᡠ,ḄḄ)*[èᕖ
1ஹi,õþᑮ
Ḅ▅Ḅ⚪ᡂᦟᩞ170

131—171⚓Ḅ⚪஺2ஹ▅171⚓1,I!"ᑡ⚪$(1)⚪'Ḅ()*+,-./)*+,-.(2)⚪Ḅ0*ᐵ2+,-.(3)ᣚ5678$᝞:;ᡷᑖ>ᦪ+x,ᑣ!B>ᦪ+>!BᐳDᑖᡷᣵᑖ᪷G⚪HIJᑡKLMDNOPQ(1)$ᦟᩞ172⚓PQḄR2⚪R1⚪஺3ஹ▅ᦟᩞ172⚓Ḅ2,ᡂ⊤TᑁVᯠX᪷Gᦟᩞ173⚓Ḅ⌕ZB⚪[\]᜜5678஺NOPQ(2)$ᦟᩞ.174⚓PQḄ1ஹ2⚪஺

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133¨©$ᦟᩞ180⚓A¬⚪ḄR1ஹ2⚪஺8ஹ5—ᐗ5>LMḄᵨ(2)®Q'᪗$1ஹᳮ7\M⚪Ḅ±²²³⍗0⚪ᑡK5ᐗ5>LM7µ¶▭⚪஺2ஹᳮ7¸M⚪Ḅ¸¨ᦔ᳛ஹ¸¨*0⚪»ᑡLM7µ¶▭⚪஺3ஹ[5¥¼ᔊஹx¾ᵨLM7µ¶▭⚪Ḅ5¤¥¦஺®Q¿M$5ஹ▅174⚓3,!"ᑡ⚪$(1)⚪'Ḅ()*+,-?/)*+,-?(2)⚪Ḅ0*ᐵ2+,-.(3)ᡂ174⚓Ḅ⊤T஺(4)ᣚ5678$᝞:;ÀÁ®᪥ᑮ'Ḅᙢ⌕\Åxg{ᑣÆÇ\Áᵨ{g{Ç\ÁḄ\MI⊤ÀÁḄ\MI⊤,᪷GÇ\Á\M=ÀÁ\MIJᑡKLMDO(5)JÊË678ᨵ,-Ì.ÍÎÏÐÇÑḄÒ8஺NOPQ(1)$ᦟᩞ175⚓PQḄR1ஹ2⚪஺

134Óஹ▅ᦟᩞ176⚓Ḅ4,ᡂX☢Ḅ⚪஺ÕÖÎ⚪Ḅ78஺NOPQ(2)$1ஹ×ØÙ⍝400ÛgÜÙ¥ÝÞ9Û᱆᱆ÀÁÝÞ16ÛÌ{Ìᙢàᔣâ\¼¿Þ³⍗.2ஹᦟᩞ177⚓PQḄ1ஹ2⚪஺)aà✄$1ஹäåᵫAᙢèÐᑮBᙢᯠXê⌮ÐᑮCᙢᵨí3g{()ᙠ☟ðḄñò+8ᓟÛ/{ðÐḄñò2ᓟÛ/{AஹCᙢḄõö20ᓟÛZAஹBᙢḄõö஺2ஹl÷øÁᔆᨵ95ú¸ÝÝᜩᡂûÁü9ᡈÁø30⌕ÝᜩþûḄÁüyÁøា
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135456rWj:1ஹ;<=ᐘ?ᑮ@A16ᓟDḄ᜜FAGH??IJKL4ᓟDNNIJKL6ᓟD??ᐜPQ1JKRNNSJKTUᙠ⌶XY??2ஹᦟᩞ175⚓Ḅ“ᢧᡊbᡃ”஺Je:fghiᩭjekᑡmnoᵨ⚪Ḅrs,ttu!v!ᨵᡠyz{|}:ᦟᩞ180⚓AḄ9ஹ10⚪஺8ஹ5ᐗmnḄᵨ3g᪗:1ஹᳮoᖪR⚪XḄzஹ᪗ஹஹᑭḄ▭4ᑡPᐗmnoᡭᢚR⚪஺2ஹ{oᓄR⚪ᑡᐗmno▭R⚪஺3ஹjeᵨᐗmno▭R⚪Ḅrs஺gn:ஹb¡¢£:▅¥ᦟᩞ177⚓Ḅ¦§¨©Ḽ«¬kᑡR⚪஺1ஹ®!zஹ

1362ஹAஹu¯⍝6ஹ±ஹᡭᢚḄᔩ?ᵨ´µ¶ᓫ¸¹?Bஹᑭ»ᑭ᳛Ḅ½ᑖ¿!®3ஹÀÀ:(1)+100ᐗḄᖪᡭ8ᢚTÁÂᐗÃ(2)+xᐗḄᖪᡭ8ᢚTÁÂ_____ᐗÃ(3)+100ᐗḄᖪ640%TḄÁÂᐗÃ(4)+xᐗḄᖪ640ᵴTḄÁÂᐗÃ(5)+100ᐗḄᖪ6p%TḄÁÂᐗÃ(6)z100ᐗḄᖪÈ150ᐗᓬPᑭ!ᐗᑭ᳛!;(7)z1ᐗḄᖪÈ8ᐗᓬP,ᑭ!ᐗᑭ᳛!Ëஹᔠ|ÍÎஹᡂÐÑÒ:(-)ÍÎb¡¢£XᨵᐵR⚪.(-)Ö×▅¥ᦟᩞ177⚓ḄØ⚪5,ᳮoḄÙẠÛᡂ177—178⚓Ḅ“ᢧᡊbᡃ”஺ÝÞß(1):ᦟᩞ178⚓ßḄ1ஹ2⚪஺()Ø⚪6:⌕0fghÖ×▅¥áâÍÎᳮoãäå஺ÝÞß(2):ᦟᩞ179⚓ßḄ1ஹ⚪஺

137ஹÝÞᡠgᵨ)¯:æ⌕ᑭᵨç☢Â48émêDḄᙊìí⌼ᡂyஹïஹðᑖ¿Â12êDஹ10êDஹ15êDḄymìñ◤⌕óôᙊìyêD஺-õᜳ÷ᢥᡂù6ð50%T᪗Túû⁚ᐵýᢥ᪗Ḅ8ᢚP,IõÈ60ᐗᓬPóôᜳ÷IõḄᡂù!ᐗþஹbᡃÿ
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3y—s:_`PQḄᡂSᐗ஺2ஹᦟᩞ179⚓Ḅ“ᢧᡊᡃ”஺ᐗ⚪ஹ⚪1.ᙠx=xḄ73Ḅ5.2.2x=-4,ijx=,13x=13,!]x=,9x=63ᑣx=,3.Im+4—nI+(n—2)2=0,ᑣm=____,n=
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1396ஹ-5(x+1)=1,tx+l=,᪷¥,ᓽx=,᪷¥o7ஹ¦aḄ3ᜧ5Ḅᦪo8ஹ&©ªn*«¬ᣎ¯131ᐗ
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᪷¥⚪qᑡ3஺¶ஹ⌱¸⚪1.¹ᑡᔜ»¼ᦪ»[]A.2M-l«0B.|+C.x2=0D.a+b=b+a2.¹ᑡᐗḄ[]A.-■IB.2ic-y"7C.5x—1=3(x+2)D.y2=163.¹ᑡᔜÂÃḄ[]A.0.5x+0.3=0.90.5x-0.9=0.3B.?•@ATC.IxI=3x=3D.x+(x+1)=2xx+l=2

1404.Cᓫ⚗FGa'-'HIJKL[]A.m=lB.m=2C.m=3D.m=4325.3=2OPI[]6.᝞^-3a=3b,ta[]A.—bB.bC.3b+3D.3b-37.᪷¥“bḄ34ÇÈÉḄ9”ḄᦪÊᐵËÌ3[]A.I3b-(-4)IB.I3b-4I=9C.3Ib|—I—4I=9D.3b-I-4I=98.¹ᑡÃx=2Ḅᐳᨵ[]জ4x—8=0ঝ4x+8=0ঞ8x—4=0ট2x—4=0A.1´B.2´C.3´D.4´9.QRSTPU[|A.x=3.6B.x=0.36C.x=36D.x=0.036

14110.8Ó=2-ÔÕÖA.4(x+5)=2-3(2x-7)B.4x+20=24-6x-21C.4x+5=2-6x+21D.4x+20=24-6x+2111.x=-2a(x+1)=2a(x-1)+5Ḅ
taA.1B.-1C.0D.512.¹ᑡᔜÂḄ×´ḄḄ[]A.3x-2=102x—l=3(x+1)xB.4x—3=2x—13(1—x)=0C.f᳘ᓝ1-2K=6D.-4x—l=x5x=l13.¹ᑡÚÛÓÜÝḄ[]A.ᵫ2x—3(4-2x)=632x—"IZ—2x=6B.ᵫ2x—3(4-2x)=632x—12—6x=6C.ᵫ2x—3(4-2x)=632x—12+6x=6D.ᵫ2x—3(4-2x)=632x—3+6x=614.¹ᑡᔜ»ÃᐗḄᨵூ௃

142জx—l=4xঝ5(x—1)=0ঞx?—5x=2x?+lট6=x+6(0)5x-7-8(2s+3)A.6´B.5´C.4´D.3´âஹ¹ᑡ3x-171.---6---------=032x12x*1x2-1-r-x-32x*1x-53.—•<——>■2364.2(x-3)+3(2x-l)=5(x+3)ãஹs⚪1.k*åÉ
e⚗»x?—2kxy—3y?+3xy—x—yÃçèxஹyéê⚗.2.I2x-4|+(x-3y+4)2=0,ë(y-1)?ᓝ/ḄÉ.3.x=2¼ᦪ»2x?+5x+cḄÉ14,ëx=-2¼ᦪ»ḄÉ.

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1445.(SᦪᓝSᦪVWSᦪVXY13,᝞^_ᓝSᦪVWSᦪV`abᑮḄSᦪdᦪᜧ45,LSᦪ.$8g(ᐗ(M88.18Y8Ḅijklmn4ஹ(1)(2)(3)(4)(5)(6)s஺1ஹ(1)x=3(2)x=4஺5ஹ(1)-x-3x=4(2)X2-X=42(3)wxyx,x+(10+x)=20.2|✄~n1ஹ22ஹ(1)x=2,(2)y=2,(3)x=2,x=3,(4)x=3,x=-4,(5)ᦟᵨ3ஹᦟᵨ4ஹ9x-7.5x=65ஹ᝞2+x=3.jk1ஹ(1)0,(2)-loCn1ஹᦟᵨ2ஹinw?ᦪyx,ᵫ⚪bn4x+x+(x+3)=1101

145ibnx=183ᑣᵬᦪy4X183=732,ᦪy183+3=186ᡠᦪᑖ732ஹ183ஹ186஺8.2(ᐗ(M8jklmnஹ(1)(3)(2)(4)(5)(6)s஺4ஹ1ஹx=32ஹx=5.o|✄~n1ஹ(1)(2)(3)(6)(4)(5)s஺2ஹ2x+35=131,y48o3ஹ(1)inwxᕜᵫ⚪bn400x=5000,(ᐗ(M8(2)inwxcm,ᵫ⚪bn(%+3+5=40,(ᐗ(M28஺4ஹᦟᵨ5ஹm=0ojkn1ஹ1ᡈT2ஹa=-33ஹᶍ஺C:1ஹB8.3¦§Ḅ¨©ឋ«¬lmn(ஹ1ஹᶍ2ஹᶍ3ஹ(1)5,(2)3,(3)-2,(4)3,(5)¦§Ḅ¨©ឋ«lo%ஹ1ஹᶍ2ஹᶍ3ஹ(1)-6,(2)8,(3)®(4)®(5)6,(6)-50¯°~n4311ஹᶍ2ஹ(1)6-3m,(2)9a+7,(3)±ᡈ◀%(4)-b,b,-,34b

14612(5)=,-a,a,(6)—x—3——y023|✄~n1,(1)C(2)C(3)A(4)D2ஹx=l,¸¹ᶍ3ஹ(1)aº®y0,(2)s(»cº®y0,(3)s®yº®y0,(4)x+2=0o¼½:ᶍ஺Cn1ஹᦟᵨ2ஹᶍ஺8.4(ᐗ(M8Ḅi¾(1)¿ÀÁn1ஹ(1)x=3,(2)x=42ஹ(1)x=12,(2)x=-0.400jklmn2(ஹ2ஹ(1)x=12,(2)x=-4,(3)x=-0.4,(4)x=—»9%ஹ(1)x=-2,(2)x=-0.4,(3)x=22.5,(4)x=-2.5஺ஹ1ஹᦟᵨ஺ÂᚪÃÄn91ஹ(1)x=3,(2)x=17,(3)x=5,(4)x=4,(5)x-((6)x=0.5162ஹ(1)x,(2)x=2஺53Åᓣn391ஹx=—2ஹa=33ஹ-72CnÇÈᨵ36Ê஺8.4—ᐗ(M8Ḅi¾(2)ËᦑjÍn1ஹ(1)x=2,(2)x=2.52ஹᶍ3,(1)x=5,(2)x=30jklmn

1471ஹ(1)X=-1,(2)x=1.52ஹ(1)X=-17,(2)X=-17,(3)┯ÏÐib:5X----------o6¯°~nᦟᵨ஺jk¼½nx=-2oCnᦟᵨ஺8.4(ᐗ(M8Ḅi¾(3)(ஹ⌱Ò⚪n1ஹA2ஹB3ஹC4ஹB5ஹA6ஹC7ஹD8ஹD%ஹi8n172551ஹx=32ஹx=103ஹx=74ஹx=—5ஹx=—6ஹx=--51234137ஹx-—8ஹx=0o9ஹx=—10ஹx=85o115ஹÓᔠ~n1ஹm=52>y=—3ஹᦇ=Ö஺538ஹ5(ᐗ(M8Ḅ×ᵨ(1)¯°~(1)nᦟᵨ஺¯°~(2)nᦟᵨ஺jkÅᓣn1ஹ(1)ØÙ¬ᯠᦪ(2)x-1,x+1,(x-1)+x+(x+l);(3)x+1,x+2,x+(x+1)+(x+2);(4)$ᦪ(x-2)+(x-1)+x(5)26(6)8(7)19(8)s®஺2ஹ×Ü?Ýa8ÞᵬÝ஺Cnᦟᵨ஺8ஹ5(ᐗ(M8Ḅ×ᵨ(2)¯°~(1)nᦟᵨ஺

148¯°~(2)n1ஹ
16ßà⍗஺2ஹᦟᵨ஺jk|✄n1ஹAஹBᙢḄãä5ᓟ஺2ஹ×å᣸çèéêḄ50çèéëḄ45஺3ஹdᩭḄSᦪ26஺®íÅîn1ஹïï2ðñºᙠ⌶0ôõõ஺2ஹᦟᵨ஺Cnᦟᵨ஺8ஹ5(ᐗ(M8Ḅ×ᵨ(3)(ஹ¬ö÷n1ஹᶍ2ஹᶍ3ஹ(1)80(2)0.8x(3)140(4)1.4x(5)100X(1+p%)(6)50ᐗ5(%(7)B-A,44஺A%ஹᔠCùúஹᡂ^ûn(-)ᶍ(%)ᦟᵨ஺¯°~(1)nᦟᵨ¯°~(2)nᦟᵨ஺ஹ¯°ᡠm×ᵨÍjn(-)◤⌕Lüᙊþ37.5ÿ஺(-)ᜳḄᡂ50ᐗ஺ஹᡃ✄1ஹᶍ2ஹ(1)"ᖪ$ᢥ&'Ḅ8ᢚ├'Ḅ஺(2)+ᦟ-ᵨ/஺011ஹ(2)1.4xᐗ1.12xᐗ0.12xᐗxX(1+40%)X0.8-x=15

149X=125125o2ஹ+ᦟ-ᵨ/஺:ᐗ:;<=⚪:ஹ?@⚪:k-2ஹ-2,-1,-73ஹ-2,2,04ஹ145ஹx776ஹGHIឋK2,-1,GHIឋK17ஹ3a+58ஹ2x+35=1310Mஹ⌱O⚪1ஹB2ஹC3ஹB4ஹB5ஹC6ஹA7ஹD8ஹB9ஹB10ஹD11ஹA12ஹB13ஹC14ஹCUஹVWᑡ<=311>x=52ஹx=—3ஹx=—4ஹx=8o23ஹV[⚪1ஹk=~2ஹ(y-1)2+X2=5.3ஹx=-2]^ᦪHḄ`-6஺2aஹᑡ<=Vbᵨ⚪:1ஹcdeᑖghij+☢஺32ஹᜧm

150