辅导案例-R8R
*a1 R8R @ >QK2rQ`F yR .m2, q2/M2b/v- T`BH y3- kyky q`Bi2 vQm` bQHmiBQMb iQ i?2 7QHHQrBM; T`Q#H2Kb #v 2Bi?2` ivTBM; i?2K mT Q` ?M/r`BiBM; i?2K QM MQi?2` TB2+2 Q7 TT2`X lMH2bb Qi?2`rBb2 MQi2/ #v i?2 T`Q#H2KǶb BMbi`m+iBQMb- b?Qr vQm` rQ`F Q` T`QpB/2 bQK2 DmbiB}+iBQM 7Q` vQm` Mbr2`X >QK2rQ`Fb `2 /m2 pB :`/2b+QT2 QM q2/M2b/v i RR,8N TXKX LQi2, h?2 ?QK2rQ`F Bb bm#biMiBHHv b?Q`i2` i?M i?Qb2 i?i rBHH 7QHHQr- bBM+2 Bi +Qp2`b QMHv QM2 H2+im`2X MQi?2` LQi2, JF2 bm`2 iQ `2/ #Qmi i?2 /Bz2`2M+2b #2ir22M 2bb2MiBH M/ THmb T`Q#H2Kb QM +b2R8RX +QKfbvHH#mbX?iKHX am#KBi vQm` Mbr2`b iQ i?2 2bb2MiBH T`Q#H2Kb iQ i?2 :`/2b+QT2 bbB;MK2Mi MK2/ dz>QK2rQ`F yR @ 1bb2MiBH S`Q#H2KbǴ- M/ vQm` bQHmiBQMb iQ THmb T`Q#H2Kb iQ i?2 :`/2b+QT2 bbB;MK2Mi MK2/ dz>QK2rQ`F yR @ SHmb S`Q#H2KbǴX 1bb2MiBH S`Q#H2K RX AM H2+im`2- Bi rb K2MiBQM2/ i?i M2`2bi M2B;?#Q` +HbbB}2`b bi`m;;H2 r?2M i?2 /i Bb ?B;? /BK2MbBQMH /m2 iQ i?2 dz+m`b2 Q7 /BK2MbBQMHBivǴX AM i?Bb T`Q#H2K- r2ǶHH BHHmbi`i2 i?Bb +m`b2 BM bBKTH2 rvX V 6B`bi- bmTTQb2 i?i i?2 /i Bb irQ /BK2MbBQMHX bbmK2 7Q` bBKTHB+Biv i?i i?2 x M/ y +QQ`/BMi2 Q7 2+? /i TQBMi HB2b rBi?BM i?2 BMi2`pH [0, 1]X h?i Bb- Mv /i TQBMi Kmbi #2 BM i?2 /b?2/ b[m`2, R R AM Q`/2` 7Q` M2`2bi M2B;?#Q` +HbbB}2` iQ rQ`F r2HH- r?i2p2` i?2 BMTmi TQBMi Bb- i?2`2 b?QmH/ #2 /i TQBMi M2`#vX AM Qi?2` rQ`/b- r2 b?QmH/ ?p2 2MQm;? /i TQBMib pBH#H2 bQ i?i 2+? `2;BQM Q7 i?2 BMTmi bT+2 ?b i H2bi QM2 /i TQBMi BM BiX amTTQb2 r2 /BpB/2 i?2 BMTmi bT+2 BMiQ ;`B/ #v bTHBiiBM; 2+? +QQ`/BMi2 tBb BMiQ i2M 2[mH #BMb- HBF2 i?Bb, R R R q?i Bb i?2 KBMBKmK MmK#2` Q7 /i TQBMib M2+2bb`v bQ i?i 2+? Q7 i?2 ;`B/ b[m`2b ?b i H2bi QM2 /i TQBMi BM Bi\ 1/Bi U9fjfkykyV, :Q ?2/ M/ bbmK2 i?i TQBMi Kmbi #2 bi`B+iHv BMbB/2 ;`B/ b[m`2X Ai b?QmH/ MQi HB2 QM i?2 #Q`/2`X uQm +M bbmK2 i?Bb 7Q` i?2 7QHHQrBM; T`ib- iQQX #V LQr bmTTQb2 i?i i?2 /i Bb j /BK2MbBQMH- BMbi2/ Q7 irQ /BK2MbBQMHX h?i Bb- BMbi2/ Q7 #2BM; TQBMi (x, y) BM k /BK2MbBQMb- 2+? /i TQBMi Bb TQBMi (x, y, z) BM j /BK2MbBQMbX bbmK2 biBHH i?i 2+? +QQ`/BMi2 x, y, z Q7 i?2 /i 7HHb rBi?BM [0, 1]X amTTQb2 r2 /BpB/2 i?2 j@/BK2MbBQMH BMTmi bT+2 BMiQ ;`B/ Q7 +m#2b #v bTHBiiBM; 2+? +QQ`/BMi2 tBb BMiQ i2M 2[mH #BMbX q?i Bb i?2 KBMBKmK MmK#2` Q7 /i TQBMib M2+2bb`v bQ i?i 2+? Q7 i?2 ;`B/ +m#2b ?b i H2bi QM2 /i TQBMi BM Bi\ +V LQr bmTTQb2 i?i i?2 /i Bb Ry /BK2MbBQMHX h?i Bb- 2+? /i TQBMi Bb TQBMi BM i2M /BK2MbBQMbX- bbmK2 biBHH i?i 2+? +QQ`/BMi2 Q7 i?2 /i 7HHb rBi?BM [0, 1]X amTTQb2 r2 /BpB/2 i?2 Ry@/BK2MbBQMH BMTmi bT+2 BMiQ ;`B/ Q7 dz?vT2`+m#2bǴ #v bTHBiiBM; 2+? +QQ`@ /BMi2 tBb BMiQ i2M 2[mH #BMbX q?i Bb i?2 KBMBKmK MmK#2` Q7 /i TQBMib M2+2bb`v bQ i?i 2+? Q7 i?2 ;`B/ ?vT2`+m#2b ?b i H2bi QM2 /i TQBMi BM Bi\ 1bb2MiBH S`Q#H2K kX amTTQb2 i?i T`iB+mH` /i b2i ?b j TQbbB#H2 H#2Hb rBi? i?2 7QHHQrBM; 7`2[m2M+B2b, G#2H 6`2[m2M+v RyW " d8W * R8W V q?i Bb i?2 2``Q` `i2 Q7 +HbbB}2` r?B+? Hrvb `2im`Mb T`2/B+iBQM Q7 dz"Ǵ\ #V q?i Bb i?2 U2tT2+i2/V 2``Q` `i2 Q7 +HbbB}2` r?B+? TB+Fb H#2H mMB7Q`KHv i `M/QK 7`QK - "- *\ 1bb2MiBH S`Q#H2K jX amTTQb2 i`BMBM; b2i Q7 2B;?i TQBMib Bb +QHH2+i2/ M/ b?QrM #2HQrX 1+? TQBMi #2HQM;b iQ 2Bi?2` QM2 Q7 irQ +Hbb2b, +B`+H2 Q` i`BM;H2X ! ! ! ! ◦ ◦ ◦ ◦ y R k j 9 8 R k j 9 8 × k amTTQb2 r2 rBb? iQ +HbbB7v M2r TQBMi (1.5, 3)- b?Qr b i?2 × #Qp2X q2 rBHH MQi biM/`/Bx2 i?2 /i #27Q`2 KFBM; Qm` +HbbB}+iBQMX V q?i rBHH i?2 T`2/B+i2/ +Hbb #2 B7 r2 mb2 i?2 R@M2`2bi M2B;?#Q` `mH2\ #V q?i rBHH i?2 T`2/B+i2/ +Hbb #2 B7 r2 mb2 i?2 j@M2`2bi M2B;?#Q` `mH2\ +V q?i rBHH i?2 T`2/B+i2/ +Hbb #2 B7 r2 mb2 i?2 8@M2`2bi M2B;?#Q` `mH2\ SHmb S`Q#H2K RX U3 THmb TQBMibV 6Q` i?Bb T`Q#H2K- vQmǶHH #2 bF2/ iQ BKTH2K2Mi i?2 M2`2bi M2B;?#Q` `mH2 BM +Q/2X SH2b2 /QMǶi mb2 HB#``v 7mM+iBQMb i?i BKTH2K2Mi i?2 +HbbB}2` Bib2H7- #mi BiǶb PE iQ mb2 HB#``v 7mM+iBQMb 7Q` +H+mHiBM; /BbiM+2- bQ`iBM;- 2i+X uQm Kv r`Bi2 vQm` +Q/2 BM Mv HM;m;2c TH2b2 BM+Hm/2 Bi rBi? vQm` bQHmiBQM- Ur2ǶHH HQQF i Bi- #mi r2 rQMǶi `mM BiVX h?2 }H2b ?iiT,ff+b2R8RX+QKf/ifM#fi`BMX+bp M/ ?iiT,ff+b2R8RX+QKf/ifM#fi2biX+bp +QM@ iBM i?2 L" /i MHvx2/ BM H2+im`2 bTHBi BMiQ i`BM M/ i2bi b2iX V lbBM; i?2 R@M2`2bi M2B;?#Q` `mH2- M/ rBi?Qmi biM/`/BxBM; i?2 /i- r?i Bb i?2 i2bi 2``Q`\ #V lbBM; i?2 R@M2`2bi M2B;?#Q` `mH2- M/ rBi? biM/`/BxBM; i?2 /i- r?i Bb i?2 i2bi 2``Q`\ j