人教A版必修3数学全册教案

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ᑁḄᦪᐸᵱᦪ᝞1ᑁ2ᑁ3ᑁ4ᑁᦪ554496071352017190ᵱᦪ2883497069948892ᵱḄ⚣᳛(1)%ᑏ⊤ᵱḄ⚣᳛(()*ᶇᑮ-ᦪ./031)2(2)34ᙢ6ᵱḄᭆ᳛89:;<=ᫀ(1)⊤?@%ᐭḄᦪBC:0.520,0.517,0.517,0.517.(2)ᵫ⊤ḄIJᦪBKLfn(A)=Q•ᓽTUVWḄ⚣᳛XYᔜ[⚣᳛ᙳn]^ᙠ`ᦪ0.518aXᡠc34ᙢ6ᵱḄᭆ᳛890.518.d3efghᡭ☰klXᐳno10@Xᐸᨵ2@10qXᨵ3@q9qXᨵ4@8qXᨵ1@r☰Xstuvf☰Ḅᭆ᳛XᎷxvfno1@Xsy☰Ḅᭆ᳛8C:ᜧ<10qḄᭆ᳛8C:ᜧ<ᑖ᪆☰Ḅ⚣ᦪC9,s}@ᦪC10,ᡠc☰Ḅ⚣᳛C~=0.9,ᡠc☰Ḅᭆ᳛8C0.9.1vf☰Ḅᭆ᳛8C0.92vfno1@X☰Ḅᭆ᳛C0.9210qḄᭆ᳛8C02.d4᝞)eἠᝄḄᭆ᳛Cᯅ■X1000ἠ4^ᝄᔩ<ᵨᭆ᳛Ḅ஺ᑖ᪆1000ἠXV1000@s}XC@s}Ḅ()9ḄXᡠc1000@s}Ḅ()9ḄX9X1000ἠᨵTᨵ4ᝄ஺4^ᝄXCX1000ἠV1000@s}XC@s}Ḅ()9ḄXᓽἠTᝄTᝄXvX1000ἠTᨵ4ᝄXTᨵ4ஹ¡¢:ᝄ஺d5ᙠ4£¤¥ᳫ§¨©Xªᑨᕒᑭᵨ®¯ᘤᩭ²^ᵫ³ᐜµᳫXᵨᭆ᳛ḄJ¶ᐸK·ឋ஺ᑖ᪆3[¹ᑣ9K·ḄXC[»¼ᕒᐜµᳫḄᭆ᳛C0.5,ᓽ[»¼ᕒ½¾ᐜµᳫᩗḄᭆ᳛90.5o3[¹ᑣ9K·ḄXC®¯aÁ/XÂᙌÄaÅÆᙌÄaḄᭆ᳛ᙳ90.5,vÇÈ4É»¼ᕒÊḄᭆ᳛90.5,9[»¼ᕒ½¾ᐜµᳫᩗḄᭆ᳛90.5o

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ḄᑗὶᦪᵨḄᐹ᛻ᦪḄ஺ஹ"#$%#&ᭆ᳛Ḅ)*+,-ᐸᵨ/0Ḅᐵ$23஺4ஹ*$ᦟᵨᐹ&1ஹ78*9ᐳ;78<)=>ᭆ᳛?@ឋBḄᳮDEFG2ஹᦟᵨᐹ&ᢗJᱏLஹᦟMN&1ஹOM᛻&(1)RᔠᨵUVஹᒹXᐵ᝞Z13\=Z3,1\,Z2,4\CZ2,3,4,5\VG(2)ᙠdefghijklmno/0᝞&CpZq1#\,Cz=Zq2#\,C3=Zq1#ᡈ2#\,CtZqḄ#ᦪuᏔᦪ\……9ᐳ;78&xyz{|}Rᔠ$RᔠḄᐵஹ23~/0Ḅᐵ$23ᔩ

482ஹ?@ᭆ&(1)/0ḄᒹXஹ/0ஹ/0ஹUV/0@P115G(2)AABuj/0ᓽAAB=6,/0A$/0BG(3)ACBuj/0AUBuᯠ/0/0A$/0Bu>/0G(4)/0A$B)*+,&P(AUB)=P(A)+P(B)G/0A$Bu>/0ᑣAUBuᯠ/0ᡠkP(AUB)=P(A)+P(B)=1,ᨵP(A)=1—P(B).3ஹ{⚪ᑖ᪆&{1¤¥¦§¨©¤ª¦«,gᑨ®ᑡ/0°±/0?°±>/0?/0A&³i´ᦪᜧ7´G/0B&³i´ᦪu10´G/0C&³i´ᦪ¸6´G/0D&³i´ᦪu6ஹ7,8ஹ9ஹ10´.ᑖ᪆&⌕ᑨᡠ¼/0>½✌ᐜÀÁ¥ᭆḄὶ$ÂÃÄÅÆ/0ᢣj;ḄÁ/0>/0Èᙠ/0Ḅ?ẠzÁ¥/0i¤¥ʤ¥஺D&A$C(j;)B$CC$DC$D>/0(Ë̤¥).{2Íd¤ef,xydqḄ#ᦪ,M/0Au“q᜻ᦪ#”Bu“qᏔᦪ#”ÑP(A)=L,P(B)=-,Ôq”q᜻ᦪ#ᡈᏔᦪ#”.22ᑖ᪆&Ídef/0“q᜻ᦪ#”E“qᏔᦪ#”ÕÖḄjᵨ2ᵨᭆ᳛Ḅ)*+,ÔD.D&דq᜻ᦪ#ᡈᏔᦪ#”u/0C,ᑣC=AUB,ØuAஹB/0ᡠkP(C)=P(A)+P(B)=-+-=122Ù&q᜻ᦪ#ᡈᏔᦪ#Ḅᭆ᳛u1{3᝞ÚᒹÛᜧ¸ÜḄ52Ýᡫßàiáâãä¤Ýäᑮæç(/0A)Ḅᭆ᳛,äᑮèᙽ(/0B)Ḅᭆ᳛ê&44(1)äᑮæ⁐à(/0C)Ḅᭆ᳛oÌ(2)äᑮì⁐à(/0D)Ḅᭆ᳛oÌᑖ᪆&/0C/0A$/0BḄíA$BØÖjᵨ/0Ḅᭆ᳛E+,ÔD/0C$/0D>/0ØÖP(D)=1—P(C).D&(1)P(C)=P(A)+P(B)=-(2)P(D)=1—P(C)=-22{4îiᨵ12¥¸ᳫᑖÃuæᳫஹìᳫஹðᳫஹñᳫiòä¤ᳫóᑮæᳫḄᭆ᳛uóᑮìᳫᡈðᳫḄᭆ᳛ôóᑮðᳫᡈñᳫḄᭆ᳛õ3,31212gÔóᑮìᳫஹóᑮðᳫஹóᑮñᳫḄᭆ᳛ᔜoÌᑖ᪆&ᑭᵨèøḄùN-/0ஹ>/0Ḅᭆ᳛+,ÔD.

49D&îiòä¤ᳫ×/0“᥎ᑮæᳫ”ஹ“᥎ᑮìᳫ”ஹ“᥎ᑮðᳫ”ஹ“᥎ᑮñᳫ”uAஹBஹCஹD,ᑣᨵP(BUC)=P(B)+P(C)=—GP(CUD)=P(C)+P(D)=—GI?112i112P(BUCUD)=l-P(A)=l--=-,DḄP(B)=-,P(C)=-,P(D)=-3346ii4t*!óᑮìᳫஹóᑮðᳫஹóᑮñᳫḄᭆ᳛ᑖÃ:ஹ4644ஹᚪᭆ᳛Ḅឋ1)ᯠᭆ᳛1,ᭆ᳛0,OWP(A)W1!2)#A$B&'()*+,-./P(AUB)=P(A)+P(B)!3)4A$B56)ᑣAUBᯠ)ᡠ9P(AUB)=P(A)+P(B)=1,:;ᨵP(A)=1—P(B)!3)&'$56Ḅ>?$ὶA)&';ᢣA$BᙠDEFGHIJ(KL)ᐸᐹOᒹQRSJḄTU(1)AKLVBKL!(2)AKLVBKL!(3)A$BJ(KL)W56;ᢣA$BᨵVXᨵDYKL)ᐸᒹQZSTU!(1)AKLBKL!(2)BKLAKL)56&'Ḅᱯ\TU஺5ஹ-ᡃ/0$ᚪ12!1.`Dᚮbc(ᐸHdc$Ecef:2)Hgh2)ijdcᦪ$Ecᦪ)ᑨmnᑡp;;&')᝞r;)sᑨmtu;;56஺(1)ាwᨵ1Ecាwᨵ2Ec!(2)xyᨵ1Eczᐰ;Ec!(3)xyᨵ1dczxyᨵ1Ec!(4)xyᨵ1Eczᐰ;dc!2.|}D~)ij}Ḅᦪ)A᜻ᦪ)B2)P(A)=-,P(B)=-,᜻ᦪᡈ2Ḅᭆ᳛z஺263.ᙠDEH)H10ஹ8ஹ7Ḅᭆ᳛ᑖ?0.21,0.23,0.25,0.28,ᙠDEH(1)H10ᡈ9Ḅᭆ᳛!(2)y:7Ḅᭆ᳛஺4.HᨵᦣḄ15~)ᐸH6~;)9~;)`Hh1122~e;Ḅᭆ᳛;)`Hh2~e;Ḅᭆ᳛;)`Hg¡735h2~ាw;JD⁐Ḅᭆ᳛;fy£6ஹ/0᪗3!1.¤¥¦&'Ḅ§¨)ᓽA$BᙠD§FGHIJ(KL:(1)ាwᨵ1Eczាwᨵ2EcJ(KL)tu;&',«tuḄ¬;ᯠ)ᡠ9tu;56)Jᳮ9ᑨm(2)HḄ2Y;&')®;56஺(3)HḄ2Y¯;&'®

50;56஺2.¤“᜻ᦪ”Ḅᭆ᳛;A,“2”Ḅᭆ᳛;B,“᜻112ᦪᡈ2”Ḅᭆ᳛zP²C´=P²A´+P²B´=-+-=-2633.¤²1´H10$H9Ḅᭆ᳛;H10Ḅᭆ᳛$H9Ḅᭆ᳛Ḅz)ᓽ0.21+0.23=0.44஺²2´Hy:7Ḅᭆ᳛ាH10ஹ9ஹ8ஹ7Ḅᭆ᳛Ḅz)ᓽ0.21+0.23+0.25+0.28=0.97,WHy:7Ḅ$Hy:7Ḅ56)ᡠ9Hy:7Ḅᭆ᳛1-0.97=0.03o4.¤`Hg¡h2~ាw;JD⁐Ḅᭆ᳛ាh2~Ḅᭆ᳛$211?17~Ḅᭆ᳛Ḅz)ᓽ+=11735357ஹ¶·᪷¦T¹º᣸3.24ᐺᭆ7
23.2.1—3.2.24ᐺᭆ789:ᦪḄ;

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ᑣx,y,zᨵ10ᡠ
ᨵ10X10X10=103A“3!"#”,Q3ᑣᒹ'Ḅ)*ᐳᨵ8X8X8=8,-.P(A)=^-=0.512.(2)891:;<=>?@᪵3BC=D)*=Dᢥ@!BCF(x,y,z),ᑣxᨵ10yᨵ9zᨵ8ᡠḄᡠᨵ
10X9X8=720.B“3J"#”ᑣBᒹ'Ḅ)an*Mᦪ8X7X6=336,ᡠP(B)=—^0.467.720892:;<=>?3RBC@᪵ᐜᢥ@!BC(x,y,z)F
TUxᨵ10yᨵ9zᨵ8V(x,y,z),(x,z,y),(y,x,z),(y,z,x),(z,x,y),(z,y,x),JWDḄᡠḄᡠᨵ
ᨵ10X9X84-6=120,ᢥD᪵ḄX9Bᒹ'Ḅ)*Yᦪ8X7X6+6=56,-.P(B)=

53[
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