安徽省皖江名校联盟2023高三上学期开学考数学试卷及答案

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A8C-4ᱏG8GᡠᡂḄ10.᜻ᦪ/()"#/(-*)=/(&+2),*+,0,1-.J(x)=2f,ᑣ/'(7)=A.62B.-1C.1D.211.ᳫ஺Ḅ;<3,ᐸᑁ@ᙊ
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52023þÿ
ὶὃᦪὃᫀ⚪123456789101112ᫀDCCBABACDACD1.ூ᪆௃MUN={X|04X«2}=[0,2],ᦑ⌱D஺2.ூ᪆௃z=]-j+-^-=^^=S+2)+("2),ᵫ/01஺=2,ᦑ⌱C஺1-z1-z23.ூ᪆௃ᵫᦣ34ᑖ6708ᦣ34ᑖ6ᙠ:;ᦪ<ᦪḄ4>▬@8ABCD᳛FGHIxḄKLMNOPḄQy=alnx+b.ᦑ⌱C.4.ூ᪆௃WᱥYMNBZ2=12y83Pᑮᯖ3Ḅ^_`a3bᑮᐸdYF=-3Ḅ^_B4,ᦑ⌱B.5.ூ᪆௃=150,ᦑ⌱A.6.ூ᪆௃ᵫ/02஻?+஻=1,ᑣ8+2=(2஻?+஻)-!~+2=4+(2+±]k8,lmnlmnmn\mnJm=—,n=op`q8ᦑ⌱B.42jr-JT7.ூ᪆௃ᵫr0஻=3,T=12,ᦑ0.tu3v6,6.5w,ᡠy/=—q,ᡠyy=3sinv?x—5,lx=12o8y—3.5,ᦑ⌱A.8.ூ᪆௃ᙊC஺+1w2+-1y=8,ᙊCv1,1w,/'=22,ᙊCᑮY/Ḅ^_34+ᑛ=2,1=9ᡈ-11vᑗ0,w8ᦑ⌱C.9.ூ᪆௃᝞4828=1,pNCḄ3஺84c6Ga3E,஺E,8D,ᵫ/0N8E஺BYNgᡠᡂ.5/T1()*DE=BE=+,BD=*-,ᡠycosN8EO=-8ᦑ⌱D.22410.ூ᪆௃ᵫ/0/vxw4ᐵax=l;8mᐵa¡3;8ᦑ/vxwQᕜ£B7=4Ḅ<ᦪ8ᦑ/v7w=/v—1w=-/v1w=2,ᦑ⌱A஺,1,11.ூ᪆௃ᑁᙊ¥Ḅ¦☢Bᔆ©B//,ª!J/+¬=9,4
1⚓ᐳ6⚓

6ᦑᙊ¥Ḅ°±BZ=²³஻=)(9(´8µ=¶(9·஻2)=0,%2=12.ᡠy¹ax=126².ᦑ⌱C.12.ூ᪆௃ᵫ2=0.9e°¼8-=l.le-°A,ac½஻x)=(l—x)e8,/”(x)=—W8ᡠy“X)x=/(O)=l1raᦑ2=/(0.1)0),g'(x)=~2xe2x<0aLI1+x(1+x)ᦑ£=gv0/wÉgv0w=l,ᦑcÉQ‘ᡠy⌱D.13.ூ᪆௃ᵫ/070MBDQÌ8AD=5/CAD=30°,ᡠyÍ஺=.214.ூ᪆௃Î⚪Ð8Ñ234,5,6Ò5:ᦪÓÔp3:8ᐳᨵCÖ=10×ØÙḄpÚ8ᐸᡠp3:ᦪkGBᏔᦪḄpÚᐳᨵ1+3=4×v×QᡠpḄ3:ᦪᙳBᏔᦪᨵ1×ÖÝ×ᡠpḄ3:ᦪ2:Q᜻ᦪ:QᏔᦪ8ᨵ3×w8ßàᡠáḄᭆ᳛B4=2.10515.ூ᪆௃ãäaYF=x+4ḄYåYy=lnxæᑗḄᑗ3Bv/Ju%wᵫè=,ᦑ/=1,ᑗ3ᙶ᪗Bv1,0w,ᡠyᨬì^_BÉ/=᰾572F16.ூ᪆௃ØîïåYMNB0-4=1v஺01ு0w,a~b~ñᯖ3bv஺,0wᐵaḄ;3BBv᝞4w஺7á஺4=a,ᑣ8ò'=2஺8ᨵóô708b=4஺8tᡠy4^+16]=402,ᦑe=g=&஺a17.ூ᪆௃পᦪᑡ÷øḄùúBd,ᑣB=2+2d,%=2+10"....2ᑖᵫr01v2+24w2=2v2+104w,ßB4=0,ᡠyd=3..................4ᑖᦑa,=3஻1................................................5ᑖ
2⚓ᐳ6⚓

7v2wᵫv1w0"=27“=v3஻1w2".ᡠyS,,=2-2+5☜+…+v3஻1>2”জ25„=2-22+5-23+---+3M-1-2,,+1ঝᵫজ-ঝ_S,,=4+322+…+2"_3஻_1>2ᵪ......................7ᑖ=-2+3-2+22+---+2,,-3M-1-2"+I=-3«-4-2,,+|-8.............................................9ᑖᦑS.=3஻—4>2ᔣ+8............................................10ᑖ18.ூ'᪆௃1*+2b=3c,ᵫ./0ᳮ2sin8=3sinC,.............2ᑖ63=2஺,ᡠ9sinC=2sinCcosC,sinC^O.3ᦑCOSC=7.............................................4ᑖ42ᵫ=/0ᳮc2=a2+b2-2abcosC,>஺=5,b=—?ᐭ᦮ᳮ/C9஺+20=02'c=4ᡈ஺=5..............................................8ᑖ11Ec=4FGh=6,cosB=~,cos2C=2cos92C-1=—,HI5=2C...10ᑖ88Ec=5FG6=7.5,cos5=CCGKHI8=2C,ᦑLM.8NOc—4.................................................12ᑖPᵨ./0ᳮRSc,TSUVḄᑖᦪ.19.ூ'᪆௃পZ[\]^_`ᢣ᪗cdᙠfgh55,65ᑁḄ⚣᳛+X,ᑣdᙠfgh75,85n,h65,75ᑁḄ⚣᳛ᑖo+‘Xq......................2ᑖ24r⚪t0.004+0.012+0.019+0.03xl0+x+-x+-X=l,24'x=0.2ᡠ9[\]^_`ᢣ᪗cdᙠfgh75,85nᑁḄ⚣᳛+0.05..................5ᑖ2ᵫপG[w]^_`ᢣ᪗cdᙠfgh45,75ᑁḄ⚣᳛+0.3+0.2+0.1=0.6,>⚣᳛x+ᭆ᳛p=0.6.{3⚓ᐳ6⚓

8~]Ḅ]^3GUE3Gᡠ9XB(c,p),ᐸ"=3........................................................8ᑖ*+XḄᡠᨵc+0,1,2,3,P(X=0)=C?x0.6°x0.43=0.064,P(X=1)=C^X0.61X0.42=0.288,................................................................10ᑖP(X=2)=CX0.62X0.41=0.432,P(X=3)-Cix0.63x0.4°=0.216.ᡠ9XḄᑖᑡ+X0123P0.0640.2880.4320.216XḄᦪ+E(X)=3xO.6=1.8...........................................................12ᑖ20.ூ'᪆௃(1)ᵫ¢£¤¥¥ᚖ§,9/¨/஺,©¤ᡠᙠ§ªᑖo+X,y,z«¬g§®ᙶ᪗°,ZA8=l,ᑣ/(0,0,0),B(LO,0),C(Ll,0),0(0,l,0),P(0,0,l),...........................................2ᑖ?@PD=3FD,BE=3EP,ᡠ9¤h°G|G²)ᡠ9´=(©,0,31G=...............................................................4ᑖU4)I33)ᦑµ•0)=0,ᡠ9/ELRC....................................6ᑖ(2)ᵫ(1)£#=(0,©)G·=(1,1,0)Z¸☢Z6Ḅºᔣ`+»=(x,y,z),x=lj=-l,z=2ᑣ´=(1,—1,2).............................................................................................................8ᑖ6ᙠᡠ9cos(ᮞG½)=5.........................................................10ᑖAE¾¸☢NWᡠᡂ®Ḅ=/cÀÁ.12ᑖ30{4⚓ᐳ6⚓

921.ூ'᪆௃(1)ZM(Â,0),N(0,஻),¤(xj),ᑣÅ+஻29ᵫÆ£(x,y_஻)=2(“_x,-y)ᦑÂ=—x,n=3y.................2ᑖ?ᐭOÉ᦮ᳮ—+/=1.4r2ᡠ9Ë̤ḄÍÎCḄ´Ï+C+V=1.............................4ᑖ4Z/Ḅ´Ï+y=Ax+/,¾?+/=1ὶ᦮ᳮ(4Ô2+1Õ2+8Ör+4/C4=0ᵫÆ£Aு0,Z¢(Ø,%),8(%2G%)Gᑣx.+x,=—²—,x.x.=———জ....................1-4k2+11-4*+1V2V2%-----Û-------ᵫÆ£§ªP8ḄÝ᳛Þ+UßᦪGᑣ-----à+=~2=0,X[_yj2x-v22>ã=g+/G8=M2+G?ᐭOÉ᦮ᳮC(l6ஹ/Hஹ2A+t-N2k--^ߟ(᳝+x2)—2\/2t—-0(2)>জ?ᐭঝᓄè(2ÔC1)(2Ô+"-1)=0,....................10ᑖᵫÆ£/Kéê̤Gᦑ2O+ëC1/0,ᡠ9Ô.2ᦑ§ª/ḄÝ᳛+L.......................................12ᑖ222.ூ'᪆௃(1)0íî+(C8,-2)U(-2,+00),r(x)=(x+l”..........2ᑖ(x+2)~Ex<—2ᡈ—2

10ফøg(x)=7^1),g'(x)=^~-r.................6ᑖ(x+2)(x+2)E-l0FGg'(x)ு0,g(x)ᓫó⌴ö..............................8ᑖᡠ9g(x)Ḅᨬúc+g(xL=g(O)=²ᦑEûü_1FGe,,>-,ᓽ/(X)?L(X+2)..................10ᑖ(x+2)24ÿ/)ᵫᙳ1(x+2)=i[(x+l)+l]>^^,x=0.ᦑ....................................................12ᑖXI.1XXX/-241==/>(-+1)2>(-+1)77+1,ᯠ/2(±+1)ᡂ!x+22222"◤$%+1=(»!)+ᔞ47T,ᵫ)*ᯠᡂ!ᡠ,-ᡂ.6⚓ᐳ6⚓