frt- - €
Bii I
(1,0 diam). MQt nh6m hgc sinh lorp 6B g6mci
nam venfi. c6c
bpn nam')-'\,
n6i
v6i
nhaurrng:
u'Moi chring ta c6 s6 b4n nam bdng s6 bpnnt".
Cdn c6c bannt
UBND THANH PH6 THAI NGUYEN PHONG CIAO OVC VA O.tO TAO
crAo Lw
HQC SrNHGr6r
LOP 6Nim
hgc 2017 - 2018vr6N: ToAN
Thdi gian ldm bdi:120 phrtt, khdng ke thdi gian giao dd
Bii 2
(1,0 di€m)"Ddu
ndm, dQi vdn nghQcta
mQt trucrngti6u
hgcc6
s6 bpn nambing
415 sd bpnnt.
Sang hqck! II,
c6 th6m 9 bpnrurn dog.
bO sung vAo dQi n6n s6 bpnnt
laibing
415 s6 b4n nam.H6i vio
dAunrm
hgc, dQivin
nghQ c6 bao nhi6u bpn nam, bao nhi6u bpn nfi?Bei 3
Q,0 di€m). H6m nay, 16p 6C t6 chircdi
de ngopi.Dg tinh
sE c6 30 bpn di nh.mg thgc t6 s6 tham gia kh6ng dir 30 bpn. Saukhi ki6m
d6m, mQt bpnnt
trong xe n6i: 'N6u g6p d6i sti ba, nfi c6 tr6n xe thi t6ng sO bqr, (cA nam vdnt)
mcyi dri 30 bg1""MQt b4n nam
lpi n6i: "N6u
gdp baDn
s6 bpn nam c6 tr6n xethi
t6ng s6 ban cfing viradt
30 b4n".H6i
lorp 6C c6 bao nhi6u bpndi
tham quan? Bao nhi6u nam vd bao nhi6unt?
Bii
4 (2,0 diam). O mQt gia dinh ng c6 ba anh em trai.Khi
d6t t6n cho c6c con, b6 mgdit
t6n cho c6c con ld To6n,L!,,H6av6i
mong mu6n sau ndy 16n 16n anh t6n1A Toan sC gi6i mdn To5n, anh t6n
IiLLi
sE gi6i m6n Ly vd anh €n H6a sE gioi m6n H6a"Thpc t6,
m5i ngudi
d6uchi gi6i
m6t trong ba m6n tr6n"Anh
t6nli
ToAn n6iv6i hai
anhkia:
"Chringta
d6ugioi
mQt m6n kh6c nhau, r,hrng
kh6ng c6ai gioi
m6n A,\trilng v6i
t6n criaminh". Ngudi
hocgioi
m6nLy
x6c nhQn:"Anh
To6n n6idtng
d6y".Bpn hdy cho bitit anh ndo
gioi
m6n gi?Bai 5
Q,0 di€m). Tr4m thu6 cria t6n cudp kh6t ti6ng quy dinh nhu sau:Ntiu
ai dem gia sirc qua trpm thuti d6ubi
thu rnQt nria.Ntiu
sd gia sric 16 sE kh6u th6m nria con. Sau d6 sEtrhl4i
cho chri 1 con.Ba
anh emnq ait s
con do qua trpm.Th6y quy dinh
d6,ngudi
anh ca liAn nghi ra mQt kti"Hg
qua trpm rat aE ddng, khdng m6t mgt con dC ndo.Bpn c6 bitit h9 cl6ldm th6 ndo kh6ng?
Bni 6
Q,0 di€m).Harry
Potterlim
mQtthi
nghiCm ma thupt. C4u cAn dun mQtdlng
dich trong dirng 9 phirtrhung
trong tay chi c6 mQt d6ng h6 c6t 4 phrit vd mQt cl6ng h6 c6t 7phft.
n6i
v6i
nhauring: "M6i
chirng ta c6 s5 bpnna-
g6p d6i sO bpnnfi"" Hoi
nh6m hgc sinh d6 c6 bao nhi6u b4n nam, bao nhi6u bgn nir?(Cht
y: 56 b4n cira m5i nguoi chi tinhtuong nh6m).
Hdy girip Harry do khoang thoi gian 9 phut
mi
chi str dpng hai d6ng h6 c6t ndy.BAi 7
Q,0 di€m).Khi xtip
ch5ng6i
chohgc
sinh lorp 6,4., c6 gi6o nhAm tinh:Ni5u x6p
4
bqn mQt bdnthi
thria2
bqn kh6ng c6 ch5 tg6i,
.,hutg
triSu x6p 5 bpn mQt bdnthi
lai thira ra 2bin.
CuOi ctrng
thi c6
x€p 4 bpn mQtbim;2
b4n thira radugc
c6 x6p viro hai ban d6u"H6i
top 64. c6 bao nhi6u b4n?BAi 8 Q,0 diam). Nhd b4n Nam nu6i
ci
gd vd lqn.Bi6t
gn nhi6u hcrnlqn
6 con,h.mg
s5 ch6n gdlai it
hcrn s5 chdn lqrn 6 ch6n.H6i
nhe Nam nu6i bao nhi6u congi
vd bao nhi6u con lgn?Bni
9 e,o dia@.Bii
10 (2,0 diam). C6 4ngudi
ddn 6ng cAndi
qua mQt chi6c"4,
r6t nguy hi6mtrong
d6mt6i. Kh6ng
mayld chi
c6 mQt cdy du5c, kh6ng c6 du6cthi
kh6ng th6 qua cau ouoc.x-
CAu r6t y6u n6n
m5i luqt di chi
dugc2 ngudi. Tuy
nhi6n,thli
gian 4 ngudi(A, B,
C,D)
qua cAu kh6ng gi6ng nhau, lAnluqt li A m6t
1 phrit,B m6t 2 phit,
C m6t
7 phit,D m6t
10 phirt.H6i thdi
gianngln
ntr6t aC 4ngudi
ddn 6ngqra
cAuli
bao l6u?i
t.€
in the Last trtangle?
e E='
, .S3
Bili
11 1z,o aidml. C6 5 chitic d6ng h6,mdi
chi6c chi mQtgid
kh6c nhau, ri6ng chitic d6ng hdthri
5thi
kh6ng c6 c6ikim nio.
Bpn c6 doan dugc chi6c d6ng h6 bfAn d6 dang chi m6y
gid
kh6ng?Bei
12 1z,o ffiem1. C6 bao nhi6u tam gi6c trong hinh ndy?uct.
Hg vd t6n thi sinh:
"
"56 b6o danh:\l i