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REN lUYEN VE LAP EUAN PHAN TICH TRHNG VAN NGHI EUAN GtiQ flQE mn TRUNG HBE PHB Tfl^NG O ThS C A O KlEU KHANH" 1 Dqy hgc thoo tdc Idp luqn phdn tfch (TTLLPT) theo quan diem tieh cue 1) Myc ti$u cua nhd[.]
REN lUYEN VE LAP EUAN PHAN TICH TRHNG VAN NGHI EUAN GtiQ flQE mn TRUNG HBE PHB Tfl^NG O ThS C A O KlEU KHANH" D q y hgc thoo tdc Idp luqn phdn tfch (TTLLPT) theo quan diem tieh cue 1) Myc ti$u cua nhdm bdi dgy bgc TTLLPT Lap ludn pbdn tieh (LLPT) Id mdt nhi/ng thao tdc thuqe nhdm cde thoo tdc lap ludn cuo vdn nghj ludn Ddy Id thoo tdc duqc hgc ddu tien Kong phdn l d m vdn, cy the Id bdi (tTTl^LPT" ( N g u vdn 11), vdi myc tieu nhdm giOp HS: - Hieu duqe the ndo Id LLPT vd vai trd quan Kgng cuo TTLLPT viec Idm vdn nghj ludn Ndm duqe mye dfch, yeu cdu, ndi dung chinh eua TTLLPT; cdch thuc Hen hdnh TTLLPT bdi vdn nghj ludn; nhqn dien ducrc TTLLPT doe - nieu vdn bdn; biet phdn tieh mot vd'n de chfnh trj, xd hqi hoqc van hqe; - Cung ed vung ehdc vd ndng cao hon nhung tri thue v l TTLLPT vd cdch thyc hien thao tac d d Idm vdn nghj luqn; biet vdn dyng thao tac phdn tfch viec viet mot doqn vdn, bdi vdn nghj ludn; - Tren co sd d d , tich luy duqe nhung kinh nghiem edn t h i l t v l cdch thue tien hdnh TTLLPT, gop phdn hinh thdnh thdi quen phdn tieh vd LLPT viet mdt bdi vdn nghj ludn d nhd trudng cung nhu Kong cugc sd'ng sou ndy hep ve LLPT, nen khdng phdt huy dugc ndng lye phdn tich d nhieu linh vyc khdc Chuong trinh vd SGK mdi chu truong dgy LLPT nhu mot riiao tdc chung, nhdm hinh thdnh vd ren luyen thoo tdc ndy cho HS mot cdch da dgng, phong phu vd todn dien hon Su phong phu, da dgng the hien d dd'i h/gng, phgm vi vd cdch thuc phdn tich (khong ehi Id edc nien tuong vdn hgc md cdn Id cde vd'n de tren nhieu Itnh vyc khdc, nhu: tu h/dng, Hnh cdm, dgo due, vdn hod, dja If, ljch su ) Nhi/ng cdch phdn tich ndy cung khdng ehi bd hep mot hudng Id di sdu chia tdch dd'i tugng ro thdnh nhieu bg phdn de xem xet md cdn neu len nhCrng hudng phdn tich khdc nhu: phdn tich bdng each neu djnh nghta; ehf nguyen nhdn - k i t qud; gidng gidi, edt nghta, binh g i d O ddy, cdn Iuu y, moi thao tdc Idp luqn ed t h i dung dgc lap thdnh mdt phep !qp ludn Idn, nhung cung cd d mot cd'p d d nhd hon, Igi Id phucmg Hen cho mot phep Idp lugn khde Chdng hqn, cde thao tac gidi thich, ehung minh, so sdnh, bde bd trudng hqp ey t h i ndo dd, deu cd the thugc LLPT 2) Ngi dung dgy hoc TTLLPT Trgng tdm cua chuong trinh tdm vdn nghi ludn d Ic^o 11 Id cdc thao tac lap lugn; phdn h'ch, so sdnh, bdc bd vd binh ludn Trong d d , TTLLPT cd vai trd rdt quan Kgng, co mdt td't cd edc thao tde nghi ludn, cdc kieu nghi luqn Phdn tfch Id mot Kong nhCrng thao tac Idp luqn duqc van dyng thudng xuyen d nhieu Itnh vye cuo euqe sd'ng, giup eon ngudi di sdu vdo hien tugng, su vide nhdm fim hieu, khdm phd vd nhdn biet bdn chdt eija sy vdt, hien tugng Nhu vgy, ddy Id mdt thao tde euo tu ndi ehung chCr khdng phdi ridng cho mot linh vuc ndo Noi dung trqng tdm cua bdi hqc ndy gdm; - Mye dich, yeu cdu cua TTLLPT Cdn giiJp hgc sinh (HS} ndm dugc: Phdn tfch Id chia nhd dd'i h/gng thdnh cdc yeu td de xem xet kt ngi dung, hinh thuc vd md'i quan he bdn cung nhu bdn ngodi cOo chung; phdn tieh bao g i d eOng gdn lien vdi tdng hgp (do Id ban ehd't eua thoo tdc phdn tfch van nghj ludn) - Cdc cdcA phdn tich LLPT nhdm Idm rd mdt y kien, mdt ket luqn ve mot phuong dien, hoqc mdt vd'n de, bdng each dung thao tdc phdn tieh chia y k i l n , k i t ludn d d thdnh tung mdt, tung phdn, de ed t h i xem xet tudng tdn, kt luong Ngodi cdch phdn tfch quen thugc Id « chia nhd ddi tugng rfidn/i cdc yeu td, bd phdn de xem xet" v l nhCrng vd'n de ddi sd'ng, nhu; phdn tfch de bdi, phdn tfch cdc thdnh phdn hdo hgc, phdn h'ch * Tracing THPT Quang Wi, Vinh Pliuc Trong viec dgy hgc t d m vdn (Chuong trinh vd SGK trudc ddy) coi thao tde ndy Id mdt k i l u bdi: phdn tfeh tdc phdm van hgc, phdn tfch nhdn vdt, phdn tfeh mot vdn d l vdn hgc su hoqc If ludn vdn hgc Quon niem ndy de ddn den cdch h i l u hqn Tap chi Giao due so 7 (ki i • i/aoia) nhCmg dieu hay le phdi phdn tfch d ddy Id phdn c h i a m q t s u v d t , s y vide, vdn de thdnh edc phdn nhd de xem xet can ke, ehi tiet nhdm myc dfch nhqn thuc duqe chung mot each dung ddn, sdu sde hon Nhung vdi vdn nghj ludn, phdn tfch cdn phdi dya vdo nhi/ng Idp lugn cy the de Idm sdng to vdn de Trong, bdi «TTLLPT" (Ngir vdn 11} cdn neu len mdt so edeh phdn tfeh khde nhu: phdn logi dd'i Krqng; lien he, ddi chieu; nguyen nhdn - ket qud; edt nghta, binh g i d - Pbdn logi ddi tugng Ngudi v i l t edn cu vdo mdt tieu ehi ndo dd de phan loqi cdc doi tuqng, sy vdt khdc thdnh ede nhdm c6 eCing dqc diem, tinh chdt nhdmkhu biet duge sy vdt, hien tuqng ndy vdi sy vdt, hien Krqng khdc Vi dy, noi ve «Su tdc oai tdc qudi cua ddng tien xd hdi truyen Kieu" (Hodi Thanh todn tdp), SGK NgCr vdn 11 su dyng Id'i phdn tich theo md'i quan he ngi bq dd'i tugng: DiSng tien v&a cd nbung mat tdt, vua ed nhung mat xd'u - Lien be, ddi chieu Khi so sdnh dd'i chieu, phdi di sdu vdo tung bq phdn hoqc phuong dien (tieu ehi) cua sy vdt, hien hremg de chf sy gid'ng vd khde nhou, md'i lien he giira cde su vdt, hien tuqng dd CiJng d ngCr lieu Ken, ndi ve tdc dyng td't cua ddng Hen, toe gid dd duo nhirng lien he cy t h i «C6 tiin, Tbue Sinh, Tu Hdi mdi chudc dugc Kieu, Kieu mdi cuu dugc cha vd sau ndy bdo dugc on cbo ngudi ndy, ngudi ng Dd Id nbung dong tien nam toy ngudi tdf; tdc gid ddi chieu voi tdc hgi cua ddng tien: «Quan Igi vi tien md bdt chdp edng li; sai nha vi tiin md tra tdn cha eon Vuong Ong; TO Bd, Md Gidm Sinh, Bgc Bd, Bgc Hgnh vi tiin, md Idm nghe budn thjt bdn ngudi; Sd Kbanb vi tien md tdng tan luong tdm; Khuyen, Ung Vi tiin md Idm nhung diiu dgi de" - Nguyen nbdn - kit qud Mdt sy vdt, hien Krqng bao g i d cung Id k i t qud ciJa mdt hoy nhieu nguyen nhdn ndo dd Chi nguydn nhdn cung Id phdn h'ch, edt nghta ngudn gdc tgo ndn cd'u tgo, dde diem, tfnh chd't cua mdt sy vdt, hien Krong Trong ngir lidu trdn, tde gid dd dua ro mot loqt nhung hdnh dgng gion de, bdt chfnh d i u su chi phdi eua ddng Hin (gidi thich nguydn nhdn} vd de rdi di den mdt k i t luqn «Cd mot xd bdi cbgy theo ddng tien" (ket qud) - Cat nghTa, binb gid Ngudi viet (ndi) di sdu vdo mot su vqt, hien tuqng di gidng gidi, cat nghta ve dgc d i l m , cdu tgo hay tinh chd't eua sy vdt, hien hjgng tren n h i l u yeu td vd binh dien khde nhou Tir d d giup chung to nhdn thd'y ve dep vd gid K| cuo sy vdt, hien tugng Ken nhieu yeu to vd binh dien khde V i dy, tde gid dd duo ro nhirng Idi binh gid: «D6ng tien co bd dd thdnh mdt the lye vgn ndng Tdi hoa, nhan sde, tinh nghTa, nhdn phdm, edng li deu khdng cdn cd nghTa gi truac the luc eua dong tien Tdi tinh bieu hgnh nbu Kieu cung eb! Id mdt mdn hdng khdng hem khdng kem Ngay Kieu nua, edi viec dgi dot nhdt, tgi loi nhdt sud't cugc ddi ndng, cdi viee ngbe Idi Hd Tdn Hiin khuyen Tu Hdi hdng, mdt phdn cung bdi xieu Idng vi nggc vdng cua Ho Tdn Hien " Viec phdn chia ro rdng se giOp HS d i nhgn dien duqc cdc cdch phdn tich cy t h i , trdn thyc te, nhirng edeh d d duqe dan edi vdi qud Kinh tgo Idp vdn bdn Q u y trinh d g y hgc b d i li thuyet TTLLPT / ) Yeu cau cua viec dgy bgc theo quy trinh TTLLPT Id mot ndi dung hodn todn mdi, chua dugc trinh bdy cy t h i cdc tdi lieu, cdc gido trinh ve t d m vdn; SGK ndi dung ndy cung chi dugc trinh bdy theo hudng ggi md Vi vqy, Kong qud trinh to chirc dqy hgc, ddi hdi gido vidn (GV) phdi td chuc dgy theo mot quy Kinh khoa hge, hgp li de HS cd the ndm dugc Ki thue mot edeh ey the De Idm dugc d i l u dd, theo chung tdi, GV cdn ddm bdo nhCmg yeu cdu sou: phdi trinh bdy ey the ve khdi niem TTLLPT; phdi chi rd dugc vai Kd, myc dich, ydu edu euo viec su dyng TTLLPT Kong qud Kinh tgo Idp vdn bdn Cy the, GV phdi ehi ro duqc dgc diem eo bdn cOo TTLLPT Kong ngu lieu; neu rd mdi quan he git/a thao tde Idp lugn vdi thao tdc tdng hgp Kong qud Kinh Kien Idioi ngi dung nghj ludn, Kr dd thdy dugc tdc dyng eOo hai thao tdc ndy qud trinh t h i hien ngi dung nghi ludn; phdi ehi rd each thuc thuc hien thao tac ndy de HS cd ca sd vdn dyng vdo thuc hdnh; phdi Kinh bdy ndi dung mot cdch hgp li, logic, ddm bdo tfnh khoa hgc, vi ddy id thoo tdc cua tu logic, nen phdi thyc hien theo nhirng ydu cdu hoqc theo Kinh Kr cuo qud Kinh tu duy; Di thye hien dqy thao tdc lap ludn hay bdt kl mdt thao tdc ndo khdc, yeu cdu trudc nhdt phdi bdm sdt vdo ngir lieu ey t h i dugc dua Kong SGK Tir vide xem xet, nghien eCru ngir lieu, se fim dugc nhCmg dgc d i l m co bdn eua TTLLPT, Krddddn hinh thdnh khdi ni&n vlTTUFT cho HS Ddng thdi, cd the chi duqc tdc dyng eua viec su dyng TTLIFT, cdch thue fien hdnh, cdch thue trinh.bdy thao tdc ndy qud trinh t r i l n khai ngi dung nghj luqn Tap ehi Giao due so 7 (ki i i/aoia) 2) Q u y Kinh d q y Xud't phdt tu nhung ydu cdu CO bdn, td ehue dgy thao tde ndy eho HS, ndn to ehCre theo mot quy Kinh gdm ede budc: Tim hieu noi dung, xdc djnh rd voi K d , vj tri, dqc d i l m CO bdn, edeh thuc hien, cdch trinh bdy euo TTLLPT bdi vdn nghi luqn; - Bdm sdt ngu lieu Kong SGK, eo t h i fim them mot sd ngu lieu Wide hay chgn mot ngi/ lieu Hdu bieu nha't, the hien rd nhd't nham phyc vy dde lye eho vide dgy hge ndi dung TTLLPT vd td ehue thyc hdnh; - GV thiet k l gido dn chi tiet, cy the (gido dn edng cy the, chi tid't bao nhidu thi vide td chuc dqy hgc edng thuqn Igi bd'y nhieu) Trong gido d n , phdi t h i hien ro phuong hudng, quon d i l m td chire dqy hge, cdc ngi dung cdn cung cdp eho HS Cy the, Kong bdi dgy cy t h i , ehung tdi td chuc dgy theo hudng tfeh hqp vdi ede k i l n thuc ve phdn tieh, thao tdc lap ludn md HS dd duqe hge d cdc Idp dudi; tich hqp voi vdn bdn van hqc nhdm phdt huy Hnh tfch eye, chu dqng fim k i l m kien thirc eua HS Sou td't cd nhung bude ehudn bj d Kdn, GV tien hdnh td ehuc dgy cho HS, ddy Id edng vide thyc thi gido dn nhdm cung edp tri thue cho HS Khi td chuc dgy TTLLPT, GV nen thuc hien theo trinh tu sou: - Cung cd'p ngir lieu d d cd Kong SGK vd ydu cdu HS dgc ede ngCr lidu d d - Huong dan HS phdn tfch ngir lieu thu nhd't Mycldha'i «TTLLPT"va bdm sdt vdo nhi/ng edu hdi gql y Tu vide phdn tfch ngCr lieu, HS se rOt dugc khdi niem ve phdn tfch, dua ro ket ludn thu nhd't mye «Ghi nho" Tu d d , se ndm duqe myc dich, dqc diem ve noi dung, hinh tht/c, cd'u true vd cdc md'i quan he ben trong, ben ngodi euo dd'i Krqng Ddy Id eo sd de ehi dugc nhung dgc diem eo bdn eua TTLLPT V i dy: Khi noi ve So Kbanb, Id ke bdn thiu, bdn tien, dgi dien eua syddi bgi xd hdi Truyen Kieu, tdc gid dd duo nhirng luqn diem phdn tfch d l thuyet phye ngudi dqc: + So Khanh thugc vdo sd nhung ke sdng bang «ngbe" bdm vdo nbd chua; + Nhung bdn toi tdn hon nbung ke cung nghi a su gid ddi, dgi lot nhd nho, hiep khdch de lua ggt; + So Kbanb lua ggt Thuy Kiiu, ngudi gdi hieu thdo, dd het Idng tin ban, dgi on hdn; + So Khanh lua ggt Kiiu khien ndng edng kbdnhye ban; + Dd the ban Igi cdn vdc mat mo trd Igi, mang Kiiu vd dinh ddnh Kiiu Tap chi Giao due so 7 (ki i - i/aoia) Cudi cung, tdc gid tdng hgp Igi nhung ludn diem trdn vd dua k i t ludn: So Kbanb Id su the bien muc cao nhdt thyc te ddi bgi cua xd hgi phong kien suy tdn N h u vdy, tdc gid dd Idm edng vide phdn tfeh, vdi ddy du y nghta cua tir phdn tich - O doqn trieh Ken, cdc luqn cu dua nhdm Idm sdng td luqn d i l m v l sy xd'u xa, bi di euo nhdn vdt Sd Khanh Cde If le dugc td chuc, sdp xe'p mot cdch hqp If, theo trinh h/ tdng tien, tu mirc thd'p den cao, vd ludn d i l m cudi cung se hodn todn sdng td - Sou d d hinh thdnh duqc khdi niem, GV Hep hjc cho HS phdn tieh, fim hieu sdu hon ngir lieu de thd'y dugc tdc dyng eua TTLLPT vdn nghi luqn GV ydu cdu HS dgc lgi ngu lieu dMyc I vd ngu lieu tbu nhd't d Myc II de fim cdch thuc hien thoo tdc phdn tfch GV huong ddn HS fim h i l u xem ngudi viet dd su dyng li ie vd ddn chung nhu the ndo d l Idm sdng td luqn diem, tu dd njt dugrc ket ludn thu hai vd tbu ba myc «Gbi nha", giup HS ndm duqc edeh thyc hien thao tac; hieu duqe md'i quon he chgt che grCro thao tdc phdn tfeh vd thao tdc tong hqp; phdn tfeh Id chia nho ddi tuqng de xem xet thi tdng hqp id gom Igi, khdi qudt Igi vdn de de ndng vd'n de Idn mot tdm eao hon Vf d y , d ngu lieu thu nhdt, Mye II (NgOi van 11), sou ndu nhirng ddn ehung ve su tdc oai, tde qudi cua ddng tien, tdc gid dd di den mdt sy khdi qudt ve sue mgnh euo ddng fien, thdi do, cdch hdnh x u cuo ede tdng Idp xd hgi dd'i vdi ddng tien vd thdi cua tdc g i d : «Cho nen ndi den ddng tien, pbdn nbiiu Nguyen Du cd gigng hdn bgc vd kbinh bi ", - Cho HS luyen tap thdng quo nhirng bdi tdp SGK de cung c d thdm v l each thuc hien TTLLPT Kong vdn nghj ludn vd budc ddu dp dyng thao tdc ndy vdo vide thye hdnh viet mdt dogn vdn, bdi vdn nghj luqn Dd* to ehue d q y hge TTLLPT, cd the thuc hien theo quy trinh trdn, song cdn vdn dyng linh hogt, cho ddm bdo duge ydu cdu cua vide d g y hgc Tren ddy, chiing toi chf duo mdt phucmg d n chung de d g y hqc thoo tdc ndy, cdn vdo tung dd'i tuqng khdc md chung ta chgn quy trinh d q y phu h g p , khdng ndn d q y hqc mot cdch go b d , khien eudng, khdng tqo (Xem tiep trang 43) - Ndu hinh P gdm 10 vudng nhu nhau, duqe tdch thdnh hinh M gdm d w d n g vd hinh N gdm d vudng thi ta n d i : di$n tich binh P bSng tdng di$n tfch hinh M vd hinh N D l xud't m d t sd' b i d n p h d p thye h i e n Ren luyen KN phdn tfeh CT, SGK mdn Todn ddi hdi SV phdi ren luyen sud't qud trinh hgc tap d trudng su phgm Do dd, SV edn t i l n hdnh nhi/ng hogt ddng ren luyen mdi giai dogn tuong ung q u d trinh hge tdp ede mdn Todn CO bdn, chuyen de ty chqn ehuydn sdu vd cdc hgc phdn ve PPDH todn Bdn eqnh viecrenluyen KN phdn tfch CT, SGK mdn Todn cho SV Kong trudng su phqm, edn phdi hgp vdi cdc Kudng TH de duo ndi dung ndy vdo qud trinh SV thue tap, gdp phdn ddnh gid v d cung c d KN md SV dd tfch luy duqc cd khda hqc Tdm Igi, viec hinh thdnh vd ren luyen KN phdn tfch CT, SGK mdn Todn d TH cho SV Id rd't edn thief, bdi d d y Id mdt KN quan trqng Kong he thdng K N d q y hqe mdn Todn theo ehudn nghe nghiep eOo GV TH hidn Q Ren luyen ve lap luan plian tich (Tiep tbeo trang 37) dugc thij cho HS, khdng phdt huy dugc tfnh tfeh eye hqc tap cua HS • Tii li#u tham khdo Nguyen Trong Bau - Nguyen Quang Ninh - Tr^ Ngoc Them Ngfi phdp van ban va vi«c day Lam vin NXB Gido due, H 1985 Dinh Cao - Le A Lim vin, tap NXB Gido due, H 1991 NguySn Quang Ninh (chu biSn) - NguySn Thi Ban - Trin Hiju Phong Luyen each Idp luan doan vSn nghi ludn cho hoc sinh thong NXB Dgi hgc qudc gia Hd Ndi 2000 Phan Trong Luan (chu bien) - Nguyen XuSn Nam - Le A Ldm van 11 NXB Gido due H 2000 Bao Quy^n Ren ki ndng Idm van nghi luan NXB Gido due, H.2001 Phan Trong Luan (t6ng chu biSn) Ngff van 11, tap l.NXB Gido diic.H 2Q0S SUMMARY Articles to help the students understand how the argument analysis, the Important role of analytical reasoning tasks In writing the argument, understand the purpose, requirements, contents of operation argument analysis; identify actions up, said the use of analysis as well as writing an essay about an issue review the political, social or literature Nang cao nang lye (Tiep //)eo trang 46) T i i lieu tham khao Di nang cao ndng luc nhdn thirc eho HS Kong DH bdi Chu Thi ThuJ An R^n luyin cdc kl ndng «Kieu x d u " , GV cdn neu mye dfch DH, cdch khai bdo, cdc dgy hge mdn Tiing Viil cho sinh viin ngdnh thao tde x u If xdu Dde biet, thdng qua mot so vf dy, GV gido due tigu hgc DS tJii ctfp BO, Vinh, 2010 edn dua cdch xdc djnh, xay dung thugt todn, kilm thu Nguyfin Thi Chau Giang Tdng eudng mSi chuong trinh thdng quo vide nhgp dir lieu, k i t qud hien liin hi su phgm giua ndi dung dgy hgc Li tren mdn hinh; nhung Idi nhgn xet cuo GV phdi sdt vdi thuyit tdp hop vd Logic, cdu true dgi sdvdi tung bdi todn, tCrng chuong Kinh; chi dd mdi phdt huy ndi dung dgy hgc sdhgc d tiiu hgc cho sinh duqc tinh tfch cue hgc tdp, ren luydn kt ndng kt xdo viin ngdnh gido due tiiu hgc & edc trudng thyc hdnh fin hge cho HS, ndng eao hieu qud DH kieu xdu dgi hgc Luan an ti^n sT, Vinh, 2009 ndi ridng v d DH idp trinh ndi chung Q D6 Dinh Hoan M5t s6 van de cu ban ciia chwmg trinh tieu hoc moi NXB Gido due H.2002 D6 Dinh Hoan (chii bien) Toan 1, Toan NXB Gidorf«c,H.2007 Tdi lieu tham khdo 1.1 F Kharlamov Phdt huy h'nh tich cue hoc tdp cua hoc sinh nhirthe ndo NXB Gidoduc H 1978 H6 Si Dam (chu bien) Tin hoc 11 NXB Gido due H 2006 Tran Doan Vinh "M^t sCi Iuu y day phdn:"Mang mOt chilu" Tin hpc 11" Tgp chi Gido due, s6 206/2009 SUMMAIJY Skill of analyzing syllabus and textbook is SUMMARY an Important skill that teachers should have The author discusses problems in teaching the lesson 'String The article proposes the process for training that skill forfi^athematics teachers and some type'(I Ith grade Informatics)-String type data, steps of solving problems of string type data and some specific examples Implementation measures Tap chi Giao due s6 7 (in i - vaoia) ... NguySn Thi Ban - Trin Hiju Phong Luyen each Idp luan doan vSn nghi ludn cho hoc sinh thong NXB Dgi hgc qudc gia Hd Ndi 2000 Phan Trong Luan (chu bien) - Nguyen XuSn Nam - Le A Ldm van 11 NXB Gido... ndi dung dgy hgc sdhgc d tiiu hgc cho sinh duqc tinh tfch cue hgc tdp, ren luydn kt ndng kt xdo viin ngdnh gido due tiiu hgc & edc trudng thyc hdnh fin hge cho HS, ndng eao hieu qud DH kieu xdu... ve lap luan plian tich (Tiep tbeo trang 37) dugc thij cho HS, khdng phdt huy dugc tfnh tfeh eye hqc tap cua HS • Tii li#u tham khdo Nguyen Trong Bau - Nguyen Quang Ninh - Tr^ Ngoc Them Ngfi phdp