湖南省邵阳市2022-2023学年高二上学期入学考试数学试题（含答案）

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2022-2023
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ᑖ150ᑖὃ
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78.Dூᑖ᪆௃/(x+1)z᜻ᦪ/(x+2)zᏔᦪᩩBhᦪ4᪆^/()=-2/+2,tᑭᵨh¢ᡈᕜ¥ឋl¦ᓽ¨ᑮbᫀ.ூ34௃!"/(X+1))z᜻ᦪᡠ/(—x+l)=-/(x+1)জ+!"/(x+2)zᏔᦪᡠ/(x+2)=/(-x+2)ঝ®x=l,ᵫজ¨./(0)=-/(2)=-(4a+/?),ᵫঝ¨./(3)=/(1)=஺+4!"/(0)+/(3)=6,ᡠ;(4a+0)+a+8=6na=—2,®²=0,ᵫজ¨./(1)=;/(1)=/(1)=0=8=2,ᡠ/(x)=_2£+2.µ;.¶h¢ᐭ¸.ᡠfµ¹.¶ᕜ¥ឋᐭ¸ᵫº<\»ឋ¼ᦪ/(x)Ḅᕜ¥T=4.ᡠᖛ¾¿,Àᦑ⌱.D.ூQR௃ᙠ4ÁᦪឋÂdg⚪ḄÃ᎛ᡃÆÇÈÉ;ʹËl¦Ìᐸᕜ¥ឋtÍᑮÎḄᦔÐ.9.BDூᑖ᪆௃A⌱⚗ᙠB=AÒÓÔP(AU8)=0.5,P(A8)=0.2,ᓽᑨ×.B⌱⚗ᙠA7BjkÒÓÔP(AU8)=67,P(AB)=O,ᓽᑨ×.CஹD⌱⚗ᙠA78jYZÒÓÔP(AUB)=0.7,P(AB)=0.1,P(AB)=P(X)•P(ὡ)=0.4,P(AB)=D(A)•P(Û)=0.4,ᓽᑨ×.

8ூ34௃4.A⌱⚗.᝞ÐÝÞP(A|JB)=0.5,P(AB)=0.2,ᦑA⌱⚗┯â;B⌱⚗.᝞ÐA7BjkÝÞD(AU8)=0.7,P(AB)=0,ᦑB⌱⚗ä+C⌱⚗.᝞ÐA7BjYZÝÞP(A|JB)=0.7,D(AB)=0.1,ᦑC⌱⚗┯â;D⌱⚗.᝞ÐA7BjYZÝÞP(♦ὡ)=D(4)•D(ὡ)=0.4,D(Aå)=P(A)♦D(ᨴ)=0.4,ᦑD⌱⚗ä.ᦑ⌱.BD.ூQR௃S⚪ὃXᙠᒹèᐵêjkᐵêjYZḄÒÓÔḄAB7ABḄᭆ᳛zëẠ⚪.10.ADíᑖ᪆î᪷ð⚪ñ6b+c=4k,c+a=5k,a+b=6k,tᨵa=3.5k,b=2.5k,c=i.5k,ᑭᵨäòhᳮஹô☢ᔣ÷Ḅᦪ÷øòhᳮஹùúû☢]^ᓄüýᑨ×⌱⚗ᓽ.ூ34௃ü⚪ñ6஺+c=4M,c+a=5Na+8=6஽ᡠ஺=3.5,஺=2.54,஺=1.5AᵫᳮsinA:sinB:sinC=a:Z?:c=7:5:3.ᦑ⌱⚗A%&DTR/Xb2+c2-a2b-+c1-a12.52+1.52-3.5215,2BAB-AC=bccosA=bcx-----------=-----------=----------------lc=----k-<0,2bc228ᡠ-•/=0•/=>o,ᦑ⌱⚗B┯4&8C5c=6,ᑣ8=4,ᡠ஺=141=10,ᡠcosA='———=002x10x62ᡠsinA==ᦑ>ABCḄ☢AB-Z?csin/l=-x6xl0x—=1573,2222ᦑ⌱⚗C┯4&52+3?—721D5Z?+c=8,ᑣZ=2,ᡠ஺=7,Z?=5,c=3,ᡠcosA=^:-----=—,2x5x32ᡠsinA=EᑣᑭᵨᳮḄ᜜IᙊKLB,xM0=2N22sinA3ᦑ⌱⚗D%.ᦑ⌱AD11.ABCூᑖ᪆௃᪷TUᦪ/(x)=Asin(0x+0)ḄYᑖZ[\]Uᦪ^᪆_ᯠa᪷TUᦪḄឋc00ᑨe.I24IT7Tூf^௃^ᵫUᦪḄZ[gA=2,ᵫh.'=i0£,\஺=2.4஺312

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=0-032+12+42éðᓃ஻•ó+mM=----------------=-132ᦑ§ᫀ¶-1328V1515.3ூᑖ᪆௃⌕Ô¤õ┵P-ABCḄÉAᨬᜧᑣ☢2ø☢ABC,EPᙠù☢ABChḄ¿µ¶A3Âm஺ᑭᵨà¼ᩩû\]¤õ┵ḄÖkᵫõ┵ÉAü_\^ᓽg.ூf^௃^:᝞Zᙠ¤¥ºABCÂᵫNACZ?=90°,AC=7,5C=þ

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┵P-A8CḄ᜜ᳫ஺ᑣPOᳫḄ~,2——24+4q•%)4(1+14)ᦑᫀ:a2-b25+3q•e221__-285+3q4J~5+3x-29I4)

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13ᓽAcVl,ᡠ|S=½/jc-sinA4½xlx@=Y^(xÀÁxÂ=cÃÄDÅ).2224ூ&'௃)⚪Æ⌕ὃ,M²ÈÉ¡¢ᳮ5¦¡¢ᳮ|Ê)®DOᓽr8Ëὃ⚪Ì.32519.(1)p=-,q=-C(2)—.4312ூ᪆௃(1)ᵫÍÎÏHÐÑÏHḄᭆ᳛NOᑡCÕÖrp,Ø(2)ᑖ-§ÙÂ1⍝Ḅᭆ᳛Ù⍝⚪Ḅᭆ᳛ÙÂᐳ3⍝⚪ᑣÜ#Â2⍝⚪Ý#Â1⍝⚪ᵫÍÎÏHÐÞÑÏHᭆ᳛NOr«ß.ூY௃"(1)A=àᵬâãä#⚪å,8=àæâãä#⚪å,ᑣP(A)=஻P(B)=q.஺=àᵬஹæçÂᙳä#⚪å,஺=àᵬஹæçÂ9ាᨵ#Âä#⚪å,ᑣ஺=A8,£>=Aᨴ+XB.ᵫçÂ⚪Í®íîÀïÂᔜ⚪⚪«ñÍ®íîᡠ|A58òÍÞÑAó5ô8òÍÍÎᡠ|P(C)=P(AB)=P(A)P(B),P(D)=P(AB+AB)=P(AB)+P(AB)=P(A)P(B)+P(A)P(B)=P(A)(1-P(B))+(1-P(A))P(B).1pq=ஹ
ᵫ⚪rj5(1-4)+O1-஻)=j132pq=3P=4ᓽ<<ᡈ,n23p+q=#q=*q=.12432ᵫ஻>q,ᡠ|஻=ö4=3(2)4=àᵬâãi⍝⚪å,ᵨ=àæâãi⍝⚪å,z=0,1,2.ø*niA\13313/x339ᵫ⚪úP(A)=—x—I—x—=—,ü(4)=-x—=—'"44448441621124224P(B,)=-x-+-x-=-,P(B)=-x-=-.'"33339v217339þ=àᵬæçÂᐳ3⍝⚪å,ᑣþ=45+44.ᵫAÐÿ
444

34945ᡠP(E)=P(A8J+P(44)=(4)()+(4)஺(4)=;*6+ஹ8=??O71vJ371.4

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