Kdt qui :
*uQt it}-iffi *A*" Tilifrni rxlLlr* l{Y
Chi c6 9 ban nhAn ra GS. V[ Thanh Khidt, ngudi "g6c sAn Vdt Lf" cira iap chf To6n hoc vd
Tudi tr6. Nhung ddn phdn tudi cfia GS thi s6 ban
dodn sai ld l}OVo. Chdn dung GS dugc chup tai CuOc gip gd thAn mdt cria Tda soan TH&TT
nhAn ngiy 86o chi C{ch mang Vi6t Nam
(21-6-2001). Khi ay ... GS de 66 tudi.
Xin trao tang phdm cho ban Ddo Thdnh
Trung,, l6p 1041, THPT Y€n Dflng I, YOn
Dflng, Bic Giang li ngudi dorin chi sai (it hon)
c6 9 tudi !
Nio c6c ban h6y tidp
nly nh6.
7.21 e,r6- :[{L;fl}iri{? [:4ru [{L;fl}iri{? [:4ru
Rdt nhidu "bdc si"
CS tham gia h6i
hdn vi k6t lu6n dring:
- Ddy li sai ldm hay "m6c" khi tim GTLT,
GTNN cira mdt phAn thrlc mi trl thfc vi m6u thrlc chua phAi ln lu6n duong.
MOt sd ban lai dua ra ti€p nhirng ldi gicii sai
khr{c dd goi l) bio v0 ddp sd A nh6 nhAt bang 4.
Kdt lu6n dring cira bii to6n ndy li : A kh6ng
c6 gi6 tri nh6 nhdt.
Thdt vay : Vi A < 0 e.r > 1 n0n gii sriA c6 girl tri nh6 nhat khi r = xo thi ro > 1. Khi d6 :
,tE-Jf , .[-6 + .[rr-.El .
tuc cu6c choi th6ng
CLB
ri.rr ot'o:,lc xcAr rHAr
M6t con kien A cdch d6y cdc hinh tru 25cm.
M6t giot mAt & C thulc dttdng sinh EF xa nhdt,
ciich vinh d6y c6c ld CF = 6cm. Bidt chu vi driy
c6c 1) 16cm vd chi6u cao li 9cm. H6i chidu ddi
con dudng ng6n nhAt mir con kien c6 thd di ddn
giot mit 1) bao nhiCu ?
TCT
cf,",3o' A
xAc suAr nAr eE r
O Chau Au c6 ng)y h6i h5a trang. Trong ngdy
h6i n)y ngudi ta thudng deo mdt na vd dn mic
rat khdc thuhrg dd khong ai nhan duoc nhau.
C6 m6t nh6m ban gap nhau trong ngiy hOi h6a
trang sau mot lfc lui choi ngudi ta khOng bidt
ai 1) ai c6. Mot anh ban tim duoc m6t c6 g6i mi
d6ng r,6 cO ta thm anh rdt thich, anh t6 tinh v6i
cO gdi ndy. Ching may cho anh ban tr6 ndy
dang t6 t)nh v6i chinh ngudi vo crla minh.
Ngudi vo dd kh6n kh6o ddnh ddu chidc khan
cia chdng trong hic hda trang ndn dd dirng nhAn
ra. Cdn anh ban cfra chring ta vi nghr rdng xiic
sudt gap lai vo minh ld ralt b6 (!) ncn qu6 tu tin
dd to tinh.
O aay c6 m6t didu it ai ngd toi : X6c suat dd
ru6t ngtdi g4p l+i vo minh trong ngiy hdi d6ng ngudi 1d rdt b6, nhung xdc sudt xiy ra it nhdt 1
ldn nhu thd ddi v6i c'd ddm dbng ngrtdi xdp xi
bang 1/3 I
NDT
DOC SACU
40 NAM
OLYMPTC rOAN HQC qU6C rn
DE lAu 16m rdi, thdi cdn li hoc sinh, t6i duo.c
doc cudn "16 ki thi to6n qu6c td" do tap chi
To6n hoc v) Tudi tre xudt bAn nhu ld m& dac
san nhdn dip ki ni6m 10 nam thdnh lAp b6o
(nitm 1974).
Ti/ khi Vi€t Nam tham gia thi Olympic torin
qudc td, ndm niro tap ch( To6n hoc vd Tudi tre
cfng gi6i thi6u dd ra cria ki thi ndy.
Nhung ai cfrng mong c6 mOt tuydn tap dAy du
c6c dd ra cia tdt ca cdc ki thi.
PGS.TS Vfr Duong Thuy vh ThS. Nguyen Vdn
Nho dd c6 c6ng kdt hqp nhi6u tdi 1i0u vd ca tu
liOu 6 ciic Website tr6n Internet dd biOn soan
cudn "40 nam Olympic todn hoc qudc td" (NhA
xudt bin Gi6o duc, nam 2001).
Cdc tdc giA da giip ban doc hidu th6m vd c6c
chuy0n "bep nric" cria m6i ki thi vd tim cdch phAn loai c6c bii to6n thi theo cdc chri dd : Fllnh
hoc, Sd hoc, Dai s6, Gi6i tfch vh Ffinh hoc Td
hqp.
Hai tap crja cu6n s6ch dE bao quiit het c6c bii
to6n thi Olympic todn cho t6i nam 2001.
Dr) c6c ban khOng hy vong minh s6 du-o. c tham
gia nhfing ki thi nhu the nhung v6i ldng ham mC
hoc h6i, y€u thich mOn Todn, c6c ban vAn cd rhe "di het" 40 ki thi.
V6i cdc thdy gido, cO gi6c day To6n thi cudn
s6ch ld mOt cdm nang khdng thd thieu tr6n gir{
siich cria minh.
CAm on cdc tic gia v) trAn trong gi6i thiOu v6i
ban doc.
r.n rsciNc NrrAr
4Q
otlfiplc NAM
cqt{0fr6 fftrul -oJ{/,{ vAfr Afr7'5. Ditth Si Drrr 7'5. Ditth Si Drrr ItiAu trLti'ttc Trudng duoc thlnh 14p ndm 1908 vdi ton
"Trudng trung hoc
Bao h0" nhungnhAn dAn quen goi nhAn dAn quen goi
ii trudrig Buoi. Trdi
vdi muc dich cuanhir nr,t6c bao h6, nhir nr,t6c bao h6,
ciic thO h0 hoc sinh cua trudng da thd
hi€n ldng yOu r-rudc
rudng nin qua ciic
phong tr)o dALr
tranh, bidu tinh, bai
kh5a. Nhidu hoc
sinh sau nhy trct thilth cdc nh)" cluAn su chfnh tri
l6i iac, ciic rrhl virn h6a, kl-roa hoc ki thuAt tii l.roa, ciic chidn si cricl.r r-rrang kiOt xulit : NgO Gia
Tu, Nguy€n Van Cir, Hi\ Huy TAp, Pham Van
Ddng...
Niin-r 1945 tru'dng mang ten danh su Chu Van An - vi d,rnh nho ddi Trdn t)i dLi'c, tiet thdo.
Khi cr:6c khdng clriel chong Phdp bing nd,
m6t bO phin tAp hol thinh trudng trung hoc
khdug chiin Chu Van An o PhLl Tho, rn6t b6
phin o lai tlong ldng dich cfrng tfch cLrc irng hO cuOc khhng chien.
Sau khi hda b)nh lip lai (nlm l954) trud'ng di
viirh dir nhidu llin d5n Chu tich Hd Chi Minh vi
ctic vi linh dao cao cap cua Diing vi Nh) nrrdc
dOir tham.
Trong cuOc khdng chicn khirng chiar chong
N4y cinr ntr6c, thii1, trb nhi\ tru<rrrg tham gizr shn
xuat v) chien dt'u, clir c5 nhidLr li6i sl, anh hirng
clfrng si. Nhi trudng dl dat ducyc nhi6u th)nh
tich trong ciic phone triro thi duir : Cdn cons
kiem hoc, Tam bii kl, LCn dLr&rg ddnh My, Day
tot - hoc tot...
Nhirng ket qua ndi bat :
. 9 girii thi qLroc te vd Toiin, Vet Lf
o 57 gir,ii thi hoc sinh gi6i quoc gia
r l9 girii nhdt vi i98 girii khiic tror.rg cdc ki thi lioc sinh gioi thinh pho.
ISN: 0866-0853 Chi so :12884
Ma sd: 8BT93M1
Chd bin tai Tda soan
In tai Nhi m6y in Di6n Hdng, ngd 187 phd Gi6ng V6
In xong vd n6p luu chidu thdngg nam 2001
o Nhidu thdy c6 giiio duo-c nhAn huy chuong
kh6ng chien, huy chucrng vi su nghidp gido duc.
Thdng 1 r-rdm 1993, truo'ng Ba Dinh sdt nhAp
v6itrudng Chu Van An.
- Thiing 2 riam 1995, Thu titdng Chfnh phir
quyet dinh xAy dung trud-n-r THPT chat lr:rrng
cao Chu Van An.
V5'i thinh tfch dat dLtoc. nhi trudtrg vinh dLt nhAn phdn thu&ng cao qr-r( :
- HuAn chuorg Lao d6ng hang ba nim 1967.
- IluAn chuong Lao ddng hang nhi nam 1992.
- HuAn chuong DOc lAp hang nh{t narn 1998.
Trong nf,m hoc vilzr qua :
. 100% hoc sinh d6 t6t nghiep THPT vdi 18o/c,
do loui groi.
. 640/o hoc sinh lop ll trllnq tllver) rao czic
truirng Dai hoc cOng lip. trong d6 6 thf sinh d6
thu khoa.
o t hgc sinh gi6i cap quoe gie. 127 hoc sinh
gioi cdp thiinh ph6 vd ciic rrort r rin it6a.
o l3 huy chuong vd vln nehi. the thrro trong
cdc cuOc thi toin cluoc v.\ thinh pho,
Bu6c vdo nim hoc m6i. phlit hur trLrr e n iltong 93 nam trr"rdng Buoi - Chu Virn .\it. r-,l-rii irLrdng
tiep tuc thi dua da1, 16, - hoc tot. bdi dLr'6rrg hoc
sinh gi6i. diy manh c6ng tic ri hdi hrie giho
duc, md r6ng giao lr-ru qLroc ti'... nltant thrrc hiOn
Dr"r dn xAy dmg tntc)rg tlong cliir-n quoc ,r,il
Chu Vrn An.
Gi6: 3000tI
Ba nghin tldng
=;==:a+ l :a+ l