TIM KIEM QUY LUAT DE GIAI QUYET VAN DE TRONG DAY HOC TOAN CHO HOC SINH TIEU HOC O ThS T R A N THj THU H A M9t h^xig nhOng nit d^p ciio lodn hqc dd Id tfnh logic vd thii h/ cOo nd Tinh bgfc ndy duqc nn[.]
TIM KIEM QUY LUAT DE GIAI QUYET VAN DE TRONG DAY HOC T O A N CHO HOC SINH TIEU HOC O M 9t h^xig nhOng nit d^p ciio lodn hqc dd Id tfnh logic vd thii h/ cOo nd Tinh bgfc ndy duqc nnin nh pMa Qiiig Tli Tap chi 6lao dye so (ki a • anntt cj Vdi cdch vi hinh vuong d trin, cd hinh vulng ndo cd difn Kch S = ^ - ^ khdng? /\ > nhOng dO li$u dd cho, nlu chung to tim ro «quy ludt" cOa cdc ddy sd thi s§ r^t dl ddng d l gldl quylt bdi todn Ldp bdng: Ddu tign, chung ta tim quy ludt cho ddy s£f cdc s^ d vudng dupc xdc djnh trdn bdng: 1,5, 11, 19,29,41, ?,?,?, [1] ThCttuetotdoikdlv fl fi Hinh ' tl •dote Mnh vuOna N IB ?e Hudng ddn: Ddu Hdn, chOng ta Hm di^n tfchT&ia 11 Tdna td otc Mnh vuOno one U dtm 17 23 cOa hinh vudng thi> nh^t, sau 66 tim dl$n tfch cOa To thdy rdng, (1 ] cd sq «sgl khdc nhou' hinh vudng thd hai, thd ba, thd tu (cdc tn/dng glOa cdc si ddy Iln luqt Id: 4, d, 8, 10, hpp don gidn) 12, [2] Hay ndi cdch khdc: + 5, + d Tim quy lu^ cua ddy sff di/a trfin cdc Vit 1 , 1 + - , + - , + 12.41, qud vda tim du9C, K> dd suy dugc dl$n tfch V ^ , day [2] da cho chung la mft quy lu^t: tsd oi)a hinh vudng thdn ddng sau bdng sdllin trude c^ng ih&m 2*, suy Ldp bdng Hm quy ludt sdflip theo cOa day [2] la 14, Id, 18, 20, Khi a) Dl$n dd, cdc sd nip Iheo Clio day [11 Iln luqt Id 55, HMivutnoMr MnWi 3-axa tfch cOa 71,89,109 S - a x t: [Mada] h i n h 5-«xt;(2x2} 0-1«62) Hodn todn tuong tq, ta dl Hmraquy lu^t cho 5-a xt:[2x2x2) (4-ii62) vudng thu S S>a X a : ( X X X ) {5-t*(a) day si cdc d vudng duqc 16 dQm: 1, 3, 7, 11, sold: 17, 23, [3] C ^ sol khdc Iln luqt giOo cdc sd ddy Id: 2,4,4, d, d, [4] Day [4] cung cd ;(cd49consl2) quy ludt va to dl dang xdc dinh cdc si flip theo cua day la: 8, 8, 10, 10, Khi dd, cdc sd flip (c6 sd 2), nin theo Clio day (31 hrong ling Id: 31, 39,49,59 b)Vi 128 2x2>i x2 Tli ddy, tg cd: hinh vudng vi duqc cd difn Hch S = —— Id hinh H B tn fi II vudng thii c) VI 100 khlng thi vilt dudi dqng Hch cOo tdt cd cdc Ih0asl2ninvdlcdchvihlnh vulng bdi, khlng cd hinh vudng ndo c6 difn h'ch Id: 100 Sdl fodn 3: Dudi ddy Id «sd' diuflin'trongday • B J K T s i duqc md td ci Irong hinh sou Hinh [Mi2i: Ni'u dgy sd' duqc Kip tqc theo cdch xdc djnh ndy thi din sd hqng thu 10 si cd bgo nhliu hinh vudng hinh vd cd bgo nhliu hinh vudng duqc Id d$m? Hudng ddn: Rd rdng, nlu Hip Iqc vi hinh cho din c6 duqc hinh thii 10 day, to Tjp chi Blao dMC s6 pa a s / w m T&n tt etc hWi niftm duK U Mm1 Fi ie 11 TS 17 23 55 31 39 N loe 4S 50 V lems 1$ considered as a prolslem-sotirino rriBltiod for efficient and elegant solutions md/frudng hqc ldp v u / v i : gidng bdi GV d n tqo mdi quon h f thdn riilll, gdn oDI, ddn c h l , tin trqng ngudf hqc d l khuyin n i k h n q thorn gig ode hoqt dfng md G V dug ra.Q TiiUtutbamkliio Luf t D«y Bght nam 2006 Ctiitfn luqc ph&t niin Tnidng Cao ding nghi co kill nSng ngllitp giai tofn 2009-2013, tim nhin 2020 Trudng Cao ding nghi Co ndng nghi^ Bdo cio cdng Uc dvy nghi nam 2009: 2010; 2011 Tnidng Cao ding nghi c o ndng nghi$p Bdo cdo cdng tdc ddo t(io cdc ndm 2009; 2010; 2011 SUMMARy Teaching the practical subfects at Vocatlona ColegeofAgHculluiollylechanlcslsveiylnvonantlo lt)eciuastyoftralnlngmehumaniesource.lnorderto teaching the practical sutiects wen, teochersneeid lohavegoadskmandpiepaiBthelessonplcrscaieMy.espadaly.ltlsnecessaiyfOrlhecolegesloequp fuH equipments and learning models for students as wen as use Infomtatlon technology In teaching '^ Tan Chi Glao due so ya x • »/»OIM ... nhidn, K> nhOng dO li$u dd cho, nlu chung to tim ro ? ?quy ludt" cOa cdc ddy sd thi s§ r^t dl ddng d l gldl quylt bdi todn Ldp bdng: Ddu tign, chung ta tim quy ludt cho ddy s£f cdc s^ d vudng dupc... glOp HS tilu hqc «tim kilm quy tu^T d l gldl cdc bdi todn Id m^t phuong dn gldl quylt vdn d l rtft cd hl^u qud V l | c «t}m kilm quy lu^r dd gl6p HS phdt hl|n vd gldl quylt duqc vdn d l cOng nhu... don vj Nhdn quy ludt ndy, HS cd thi dqc duqc si hqng flip theo ddy Id 14 Nhin chung, cdc day si khlng phdi boo gid cOng cd m$t quy ludt d l nh^nra.Tuy nhiin, mft vdi day si cd thi Km quy ludt bang