crio ouc
'
(o oqc vA DAo rAo
VA DAO TAO
Bii
1. (1,5 di6m). Tim m:
a) 0,8 x
Bii
//t
: I,2
"10
(ru*toto'1
al'\363
:
?, m
2r2t)
7
2. (1,5 di6m). Tinh:
531
l'744x - * -
a)
Bii
rcru rRA oANn crA NANG LtIc
HQC SINH DI/ TUYEN VAo LoP 6
TRTIONG THCs CHU vAN.I.N,
TRITOI{G THCS CHUA HANG TI
NArvr Hec 2ozo - 2o2t
MON: TOAN
Qhdi gian: 60 philt, kh6ng k€ thdi gian giao di)
on
b) (48 x 0,75 - 240:10) - (16 x 0,5 - 16:4)
3. (1,5 ili6m). Trong buOi li6n hoan, khi 15 ban
g6p d6i
si5
nt. Sau d6 14i c6 45 bqnnam
hic dAu c6 bao nhi6u ban
nt
ra vC thi
sO
nt
ra vA tni
si5
bpn cdn lpi c6 s5 nam
bpn cdn lpi c6 sti nfi bing s6 nam. Hoi
tham gia li6n hoan?
BAi 4. (1,5 di6m).Mgt xe m6y di tir A
vi dg
m6y di dugc 10km thi ph6i quay lpi A vd dimg o d6 m6t 15 phirt, sau d6 m6i di ti6p vd cl6n
B lric 9 gio 15 phirt. Tinh vQn t6c cta xe mdy.
Bii
5. (3 di6m). MQt thria ruOng hinh thang c6 diQn tfch td 1155m2 vd c6 ddy bd k6m
dii
lcrn 33m.
Ngudi ta k6o ddi
dC duqc
hinh thang m6i. DiQn tich hinh thang mdi ndy bturg diQn tfch ctra mQt hinh cht
nhQt c6 chi6u rQng ld 30m vd chi6u dei le 51m. Hdy
cl6y lcrn th6m 5m vO ctng mQt phia
tinh
ddy b6, d6y lon cria thira ruQng
ban dAu.
BAri 6.
(1 diem). C6 6 ban thi gi6i Toan, m5i ngudi phii ldm 6 bei. M5i bei dring dugc 2
di6m, m6i Uai sai bf
tru 1 di6m, ,rh.*g ntiu
s6 di6m bi
trt
nhi6u hon s6 di6m dpt dugc thi
hgc sinh d6 bi coi ld 0
kh6ng? Gi6i thich tpi sao.
utSt
si5
di6m bing nhau dugc