ỪắỲY1ẩ*ỉỉPXíĨằĩẩ4XỰĨ&ằYbắằảẫYvCỐẰwY1dYb)băYắểbYậắẻbăUỪ/ắỲỰỪíY1ẩ*ỉỉPXíẮ4*2XY2*ĩ*-ịcẩ4PXỉ*ícXỰBắằájYbăófằY3,YậắéằYvCỐẰwY-Ỳ%YbắóbăYỉ*jY3dYẩ:ằYĩ&ằYbắằảẫYẩ:ằỦYwcY3dỤYbắằájYÃÝYẩjẻbYẩcYẩ!băYốáYậắ;Yb.băY0àbắYỉ8Yb)băYắểbYbajYĩ&ằYbắằảẫỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰỪằẫăY1ẩ*ỉỉPX2ĩắjẫ0Yằv4bĩ4ịXYỉĩổẩ4PXồằ2ĩắÚY$ÝÝíộÙYắ4ằăắĩÚY@ỶỶíộÙXYỉị1PX//12bỦ0*cĩắ*bắắc*Ủốb/24ỉậĩcí/b4ồỉ/ỴỴỲỲ/ỲÝ@2ỶÝ%ÝỸÝ#ĩỸ#$ỲẩỴ-ĩ*ằ-bắằ4ẫ-Ỳ-Ỳ#Ỹ=ỶỲ##ỦầíăXY*ẩĩPXĨ&ằYbắằảẫYvCỐẰwY1dYb)băYắểbYậắẻbăUXYồằ2ĩắPX$ÝÝXYắ4ằăắĩPX@ỶỶXY/ỰỪ/íỰỪíY1ẩ*ỉỉPXív*íĩằcbXỰẪếĩYỉẽY0ằabYĩắạY1n*YốằịjỉYỈởỊỈ-YvcỐ-ỴỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰv&1Y1ắjổ9bYăằ*YổYĩaY1ắcYị(băỤY*ằY1obăY1dYậắ;Yb.băYĩ&ằYbắằảẫYvCỐẰw-Ỳ%ỤYĩắ]ẫY1ắặYĩ&ằYbắằảẫYbắằájYẩ[bYbajYậắẻbăYĩj{bYĩắnYbăjổ9bYĩ!1YíắđbăYbăọ*Y2ẵ1ắY0àbắỦYỈởỊỈ-vcỐ-ỴYă{ổY0àbắYvCỐẰw-Ỳ%Y0ằabY3ềằYậắẻbăYbăọbăỤY1?băYẩ{ổYbắằảẫYbắằájYĩắẳYĩẽ1Y3ếY0ằabY3ềằY1?băYbắ*bắYố?Y1ắnbăYẫễằY1dYĩắạYb5Yĩị&bắY3óg1YẫằảbY2ẵ1ắY3,Y1dYĩịóễ1Y3dYĩịcbăY1ểYĩắạYbăófằY0àbắỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰẬaĩYìj;YbắằájYbăắằ9bY1òjY1ắcYĩắ}ổỤYbắôbăY3gĩYĩ&ằYbắằảẫYỉ8Ybắ6YắểbYỉcYốễằYẩ[bYẫ!1Y0àbắY3[jYĩằ9bỤY2lYÃÝYĩịóễ1Y3dYă)íY0}ĩY1òY0ằabY1ắnbăYb?cỦYẮc)1Ybă*ổY1;YậắằYậắ&băYĩắạYậắẻbăY3nYẫ:bắY3ạY0;cYốàYbăófằY0àbắYậắéằYẩ[bYẩ{ổYbắằảẫYĩắòYắ*ằYbắóbăY1obăYố bY1dYĩ&1Y2mbăYbă.bYbăọ*Y0àbắY1ắjổạbYb)băYố?Yăằ;ẫYbăjổY1ểYĩõYốcbăỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰĨjổYbắằ9bỤYố bY1dYĩờYẩàYbắéY0àbắYbắ{bYă)íY0ằabY1ắòbăYbăắằ9ẫYĩịebăYỉ*jYĩ&ằYbắằảẫYvCỐẰw-Ỳ%ỤY3ằájYb?ổYíắmYĩắjế1Yố?cYĩắfằY3ằạẫYẫ!1Y0àbắYìj&Yă[bYbắ*jYố?Y1ểY3ẵ*Y0àbắYbábY1n*YẫệằY0àbắYbắ{bỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰữỈYĨịóểbăYẮôjYẬắ*bắỤYÍắdYvắnYĩẵ1ắYĨắófbăYĩịỏ1YẮếằYĩịjổábYbắằảẫYĨÍỦẮvẪY1obăY1ắcYị(băỤYĩịcbăYậắc;băYĩắfằYăằ*bYbă!bYỉ*jYậắằYẫ!1YvCỐẰwỤYốằà1Y0ẵYĩ&ằYbắằảẫYắc?bYĩc?bY1dYĩắạYộ;ổYị*ỤY0hằYbăófằY0àbắY1dYĩắạYbắằảẫYắ*ằY0ằabY1ắnbăYậắ&1Ybắ*jỦYĨjổYbắằ9bỤYữỈYẬắ*bắYẩójYỗYẫeằYbăófằỤYbajY1ắ<băYẫ*ổYĩ&ằYbắằảẫYĩắẳY1obăYậắẻbăYb9bYìj&Yắc*băYẫ*băỦYữhằYẩ8ỤYĩ&ằYbắằảẫY3*Yíắ[bYỉ8Ybắ6YắểbYỉcYốễằYẫ!1Yẩ[bY3[jỤY3)1Y0ằàĩYẩ?YbăófằY3,Yĩằ9ẫY3nYố*11ằb4YvCỐẰw-Ỳ%ỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰữ9bY1:bắY3dỤYbắdẫYbăófằYĩị9bY#@YĩjềằỤYbăófằYắ*ổYỉõY2mbăYĩắjẽ1Yò1Y1ắaYẫằảbY2ẵ1ắYố?YbăófằY1dYbắằájY0àbắYẩỗYbábỤY3)1Y0ằàĩYẩ?Y0àbắYĩ.băYắjổaĩY&íỤY3&ằYĩắ&cY3ófbăY1obăYĩắjế1YbắdẫYbăjổY1ểY1*cYĩ&ằYbắằảẫYvCỐẰw-Ỳ%ỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰĨắ4cY1&1Y0&1YỉấỤY2lYĩờYẩàYĩ&ằYbắằảẫYvCỐẰw-Ỳ%YậắẻbăY1*cYố?YĩắófbăY1dYĩịằàjY1ắòbăYbắ6YắểbYbắóbăYậắẻbăY3óg1Y1ắnYìj*bỤYộ4ẫYĩắófbăYốẳYbắôbăYbăófằY0ẵYĩ&ằYbắằảẫYẩ?YbăófằY1dY1ểY3ẵ*YẫằảbY2ẵ1ắYăằ;ẫỤYĩjềằY1*cỤYbắằájY0àbắYbábỦYx{ổYẩ?Y1ểYắếằY3ạY1&1Y0àbắYb?ổYĩ&ằYíắ&ĩYă{ổYị*YbắằájY0ằabY1ắòbăYbăjổYắằạẫY3abYĩặbắYẫ:băỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰvắặbắYốẳYố]ổỤY1&1Y1ắjổ9bYăằ*YậắjổabY1&cỤYbắôbăYbăófằYẫ!1YvCỐẰw-Ỳ%Y3,YậắéằY0àbắY1obăYậắẻbăY3óg1Y1ắnYìj*bỤY{ẫYĩặbắYậắẻbăY1dYbăắấ*Yẩ?Y3,Yĩ:cY3óg1YẫằảbY2ẵ1ắYỉjẽĩY3fằỦYỈ*jYậắằYậắéằY0àbắỤY1ểYĩắạYố bY1[bYắêằYíắm1Yỉ*jY3gĩYĩ}bY1ẻbăY1n*YốằịjỉỦYwcY3dỤY1[bYĩ.băY1ófbăYẫằảbY2ẵ1ắY0(băYĩ]íYẩjổàbYỉò1Yậắé4ỤY0ềYỉjbăY2ằbắY2óibăYắgíYẩỗỤYĩắ4cY2ẹằYố?Yĩắ.ẫYậắ&ẫYỉễẫYậắằY1dYĩịằàjY1ắòbăYắ]jYvCỐẰwYố?Y3)1Y0ằàĩYẩ?Y1[bYĩj{bYĩắnYbăjổ9bYĩ!1Y@ẬỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰẪếĩYbăắằ9bY1òjY1ẻbăY0ẽY1ắcYĩắ}ổỤYbắằảẫYĩịlbăYỉểY1}íYhYbắôbăYbăófằY3óg1Yĩằ9ẫY1ắnbăYƯbắôbăYbăófằY1dYẫếĩYỉẽYẫằảbY2ẵ1ắYvCỐẰwỨYĩắófbăYặĩYbăắằ9ẫYĩịebăYắểbYỉcYốễằYbắằảẫYĩịlbăYỉểY1}íYhYbắôbăYbăófằY1ắó*Y3óg1Yĩằ9ẫY1ắnbăYƯbắôbăYbăófằYậắẻbăY1dY0}ĩYậơYậắ;Yb.băYẫằảbY2ẵ1ắYb?cỨỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰwcY3dỤY1dYbắ]bY3ẵbắYị(băỤYbắằảẫYĩịlbăYĩ&ằYbắằảẫYỉ8YặĩYbăắằ9ẫYĩịebăYắểbYbắằảẫYĩịlbăY0*bY3[jỤYốẳYbăófằY0ẵYĩ&ằYbắằảẫYỉ8Y1dYẫếĩYỉẽYậắ;Yb.băYẫằảbY2ẵ1ắYĩọYĩịóễ1Y3ẽằYốễằYbắằảẫYĩịlbăYỉểY1}íY1n*YắeỦYĨắ9ẫYố?cY3dỤYbắằájYbăófằYỉ8Y3óg1Y1ắnbăYbăọ*Yăằô*Y1&1Yẩ[bYbắằảẫYĩịlbăY1n*YắeỤY3ằájYb?ổYỉ8YăằkíYb{băY1*cYắểbYbô*Yẫò1Y3ếYẫằảbY2ẵ1ắY1n*YắeỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰỐ?Yẫ)1Y2lYậắ;Yb.băYẫằảbY2ẵ1ắY1ắẽbăYẩ:ằYốằà1Y0ẵYbắằảẫYốằịjỉY1cịcb*ốằịjỉYố?Yíắ&ĩYĩịằạbY1&1YĩịằàjY1ắòbăYvCỐẰwYỉjổYổajỤYậắ;Yb.băY0;cYốàY1ắẽbăYẩ:ằY0àbắYĩ]ĩYbăắằ9ẫYĩịebăYố?YĩõYốcbăY1dYố7Yẩ{jY0ábYắểbYbắằájỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰĨjổYbắằ9bỤYẩ[bYĩ&ằYbắằảẫY1n*Y0:bY1dYbăắằ9ẫYĩịebăYbắóYẩ[bY3[jYĩằ9bYắ*ổYậắẻbăY1dYĩắạYíắmYĩắjế1Yố?cYĩắfằY3ằạẫY0:bY0ẵYbắằảẫY0àbắỦYwôYẩằàjY1n*YỐ.bYíắđbăYĨắẽbăYậ9YÌjẽ1Yăằ*YƯCBỈỨY1n*YỐóểbăYìjẽ1YởbắY1ắcYĩắ}ổYĩờYẩàYbăófằY0&cY1&cY1&1YĩịằàjY1ắòbăYậắằYắeYĩ&ằYbắằảẫYậắ&1Ybắ*jYĩlổYĩắjế1Yố?cY0ằabYĩắạYẫ?YắeY1dYậắ;Yb.băY0ẵYbắằảẫYhYẩ[bYĩắòYắ*ằỦYCBỈYóễ1YĩặbắYị(băYĩ&ằYbắằảẫY*ẩíắ*Y1ắâYă{ổYị*YĩịằàjY1ắòbăY1ắcYẫeằYbăófằYỴÝRYĩắfằYăằ*bỤY1đbYĩ&ằYbắằảẫY1ắnbăY24ẩĩ*Yă{ổYị*Y1&1YĩịằàjY1ắòbăYẩ?YỸỸRYĩịófbăYắgíYố?Ycẫằ1ịcbYẩ?YỸ#RỦỪ/íỰỪíY1ẩ*ỉỉPXíữc2ổXỰẪò1Y3ếYbăắằ9ẫYĩịebăY1n*YvCỐẰwYĩắ*ổY3ềằYĩọY0ằabYĩắạYb?ổYỉ*băY0ằabYĩắạYậắ&1ỦYĨjổYbắằ9bỤYị}ĩYậắdY3ạYíắ{bY0ằàĩYẫò1Y3ếYậắ&1Y0ằàĩYhYĩị9bYẩ?Y2cYỉò1Yẫ:bắYậắ&1Ybắ*jY1n*Y1&1Y0ằabYĩắạYố?Yẫò1Y3ếYẩ?Y2cYẫò1Y3ếYẫằảbY2ẵ1ắYvCỐẰwYĩọYbắằảẫYĩịlbăYĩịóễ1Yố?Yĩằ9ẫY1ắnbăYắằàbY1dYhYbăófằYĩ:ằYĩắfằY3ằạẫY3dỦỪ/íỰỪíY1ẩ*ỉỉPXíởjĩắcịXỰĨắ4cYỈẬxỈỪ/íỰ
Theo SKĐS