2022-2023学年江苏省某大学附中九年级（上）开学数学试卷

《2022-2023学年江苏省某大学附中九年级（上）开学数学试卷》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
ḕᜧ▬
ᦪᔁὃ⚗1ஹὃὃ,⍳!ὃ"#ᑣ%ὃ&'()*+,-.ὃᦟ0%ᐸ2ὃ345ᕒ7ᳮ92ஹ.ὃᦟ0;ᔁ<(ᙠᔁᢣ?ḄᙢBCᑏE5FὃGHஹIJKL9ὃ⌶ὃNFOPQᳮᵫSὃ"93ஹὃUᔁᵨWXYᵨZ[#\Z[]⁐ḄW4U4_`YᵨaW(NFᵨ#?O᜜ḄWUᔁ(NFᙠUᔁ4PQ᪗d஺ὃfᑏᙠU⚪ᓱ#?ij᜜ḄUᫀlᦔ஺4ஹὃoH;p<,ὃB`o4U஺[ஹ⌱r⚪ᐳᨵ8u⚪(vu⚪3ᑖ(ᐳ24ᑖ1.᝞{|}“(6Ḅᑖ3%12,|}c|}“(6Ḅ⚗(|}cḄA.4B.±4C.6D.2.ᑡB[ᐗBḄA.3X2+-=0B.2x-3y+l=0XC.x-3x-2=x2D.(3x-1)(3x+l)=3x33.[ᑡK(N[?Ḅ()y5x+y8xx+3A.5x=3yB.x+y=8C.=D.-=---"3^5yy+54.P¢1Ḅ|}Ḅ£¤ᑖᒘ(ᑣ¦§)3-V5A.B.3-V5C.D.V5-2225.©ᐵ«xḄ[ᐗBᓃ-x+l=0ᨵ¯ᦪ᪷(ᑣ4Ḅ±²´A.k*·A#0B./V/·�C,1·�D.k<^6.a,஻ᐵ«xḄBr+Bx-2009=0Ḅ¿᪷(ᑣ-஺-ÀḄ²A.2018B.2019C.2020D.20217.᝞_(ᙠÂ48C(|ADஹBEÄÅ«Æ(EG//BC,ÅAO«G,ᑣ[Ḅ²AF()

1G00c2Ë3Ë34A.—B.—C.-D.—32438.᝞_(AB=4,Ì|8M%ABÍÄᚖÏ(஺A8Ḅ[ÐÑ(EᙠÌ|(2BE=OB,4£F_LOE)Ò±EF=OE,ÓÔAF)ÕÅÌ|8MC,ÖBE=x,BC=y,ᑣyᐵ«XḄ×ᦪØ᪆ஹCÚÛᐳᨵ10u⚪(vu⚪3ᑖ(ᐳ30ᑖ஺NÜᑏpØUÝ(ÞßUᫀÏÔCᑏᙠU⚪ᓱÄàáâ9.B/-4x=0ḄØ.10.ᐵ«xḄBa+2xZ+2x-5=0[ᐗB(ᑣaḄ².11.ÂABCS/XDEF,A4BCḄᕜ2,Â/£Ḅᕜ3,ᑣÂABCè£>£Ḅ☢ëì.12.ᐵ«xḄB-4=0Ḅ[᪷x=1,ᑣí[᪷.13.᝞_(B'஺èÂABCáî_ï(·⚔ñᙠ\(ᑣáîòḄᙶ᪗

214.᝞_(AABC(஺ABḄ(EᙠAC(·AB=4,AC=6,⌕YOAஹDஹE⚔ḄõöïèÂ4BCÄî(ᑣAE=.15.÷øù᪥ûüýᙢ☢[þN`ᥤḄ᪛Ḅᦻ᝞Ḅ᪷ᱥᳮᐝḄᑭᵨ☢!᪷"#$%᝞&ᡠ(Ḅ)*+ᫀ-☢.Ḅ/ᙠᔠ〉Ḅ34567ᙠ8ᑮ᪛:⚔<=>ᦻ?@☢ḄA@BCD3.0H᪛ḄIJ?@☢ḄA@BCD12.0HMᦻḄNO?ᙢ☢ḄBCD1.7Hᑣ᪛ḄSDH(VWXYᐭW)////////////////////ZZDEB16.]^_ᦪxஹyde(N+V+l)(x2+y2-3)=0,ᑣx+y=.17.᝞&ᙠmnABC஺AB=2,3c=3,MAஹBᑖABஹBC+ᔣᒴᐸPஹ஺<ᙠz|஺R஻BA4cYDf(s),^=sAPRSNRQ.

35ஹ¡⚪(ᐳᨵ10⚪ᐳ96ᑖ஺¥ᙠ¡⚪ᓱᢣ¨©ᑁ|¡¡>«ᑏᦻ®¯ஹ°¯zᡈ²³´µ)19.+(1)4(%-5)2=16¹(2)2(%-3)2=x(x-3).20.]^ᐵYxḄᐗ¼½+¾-(ᑗ-2)x+2m-8=0.(1)À°+ÁᨵÂ_ᦪ᪷.(2)M+ᨵÂ᪷tÃᦪÀḄÄÅÇ.21.ᙠ13X13ḄÉÊ&]^AABC!

4aåᵯæco23.]^xtᐗ¼½+f-8x-1=0Ḅ_ᦪ᪷Àçᦪè^—+(x+3--4)X2-7X+12x-3ḄÅ.24.(1)᝞&জZXABCZA=50°,NB=45°,£'ḄᐵïD¹(2)᝞&ঝᙠ@ñòunA8C஺óWáACஹBD
O,MDAO<wxCM
BDஹN,äON=1,À8஺Ḅ}.25.Õᙢ¨2020õᢗᐭᦟøùú2500ûᐗ2022õᢗᐭᦟøùú3025ûᐗ.(1)À2020õü2022õýᙢ¨ᢗᐭᦟøùúḄõ@ᙳÿ᳛(2)᪷(1)ᡠḄᙳ᳛⚜2023ᙢᢗᐭᦟ!ᐗ.26.&'ᐹᔆ*+,-'ᐹᢥ᯿0ᑴ23ᡂ5678├Ḅ:ᑣ<*+Ḅ'ᐹ=>?@ABCDEFGHI'ᐹᢥ480ᐗ├A@HᜩM├A160IN├Aᓫ7H6P1ᐗHᜩMAB2I.QRHI'ᐹḄ23ᡂ5S360ᐗTU-'ᐹḄ├Aᓫ7Sᐗ@ᔆVHᜩMWᑭY20000ᐗZ27.᝞]ᙠ_ABCcBA=BC=20cm,AC=30"”ghigABjkA3l4“RsḄpqᔣgBstu@g஺igCBjkC4l3cmisḄpqᔣg4stwᐸc,gᑮz{g@|,g}~stst@Sxs.(1)wPQ஻BC@xḄ.(2)_APQACQB=ᔲZN=BAPḄN=ᳮᵫ.

528.᝞]ᙠ┦^ABCcBC=6,S»BC=12,tgM,Nᑖᙠ4B,ACtMN//BC,lMNSᔣMPQN,MN=x,MPQNA8Cᐳ¢ᑖḄ☢¤Sy.(1)BABCḄBCḄ¥.(2)᝞]1,wMPQVḄPQា§¨ᙠBC@xḄ.(3)᝞]2,wh஺¨ᙠAABC᜜¢@ByxḄªᦪᐵ®.0
1
2