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Đề và Hướng dẫn chấm thi tuyển chất lượng cao lớp 6, năm học 2017 - 2018

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<span class='text_page_counter'>(1)</span><div class='page_container' data-page=1>

Hg

vi

tOn:... NG L(IC HQC 1'


NAM

Hec

2ot7

-

2018


Md
si phdch


l
l


I


(do thi sinh ghi) Chn ki gi6m rhi I


CUA GIAI\I KHAO Chrt' k! gitim

*niiil o,i

<sub>hi gidm </sub><sub>khio </sub><sub>2</sub>


D6 ki6m

tra

chinh thri,c


(G6m 04

trang)



L

TRAC NGHIEivI

(3 tli6m)


Khoanh vdo chir c6i truoc cdu tr6

loi

dung
Cdu

l:

(0,5 di€m1


Tn sO 95 OCn s6

tOt

c6 bao nhi6u s6 chin chia h6t cho 3?


A.

ls6

8.2s6

<sub>C.3s6 </sub>

<sub>D.4s6</sub>



Ciu

2: (0,5 diAtn)



30% di6n tich cua hinh

M

ld 75 m2. <sub>Vdy di€n tich hinlr </sub>

M

<sub>ld </sub>:


A.2,5m2

B.250m2

<sub>c.25m2 </sub>

. D.2500m2


CAn

3:

(0,5 di€m)


Timx:

x

x4.5

-35,82.27,54



A.

14,8

B.

14,08

<sub>c. </sub>

140,8


CiLu

1:

(0,5 di6m)


:.



I ong gla rrr cua

chii

so

I

va-9 trong so 41039 ld:


A.

10

<sub>B. l9</sub>

<sub>c. </sub>

<sub>1009</sub>

<sub>D. </sub>

<sub>1039</sub>


Ciu

5: (0,5 <sub>tli€nt)</sub>


Trong c6c xe 6 t6 dudi ddy, xe 6 t6 ndo c6 v6n t6c b6 nn6t?


A.

0

td

A

chay

v6i

vdn tdc 20km/gio.
B. O to B chay

voi

vdn r6c l5m/giriy.
C. O t6 C chay

v6i

vdn t6c 1000m/phrit.
O.

6

tO D ch4y

v6i

v6n t6c l0m/giAy.


sA phich


</div>
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KHONG

DUqC VIET

VAO

DAY




Ndu tdng canh c[ra mQt

hinh ldp

phuong l6n


phuong do s€ tang l6n mdy lAn?


5

lAn.

Thi

the

tich

cua

hinh

ldp


D.

125l6n

A.

l0lAn

B. t5lan

C. 25 lAn


I.

TV'LUaN

(7 tri6m)
Ciru

l:

(t

didm)


cho

ab

ld s6 c6 2 ch0 s6 khiic nhau. Bitit

ring

ot

n

rachia h6t cho 9, cdn chia 4
du 3. Tim c6c

cht

s6 a. b.


.

b) Mot bqn hgc.sinh viet:1, 2, 3, 4, 5,

t,

2, 3, 4, 5, 1, 2,...,...


</div>
<span class='text_page_counter'>(3)</span><div class='page_container' data-page=3>

xH0Nc

DrJgc

<sub>vrnr vao</sub>



</div>
<span class='text_page_counter'>(4)</span><div class='page_container' data-page=4>

KHONG

Drrgc

vrer

vAo]



Cdu 4: (2

<sub>di€n)</sub>



Binh thuong anh An

di

xe mriy tu'nhd anh vd den nhd cha anlr phai m6t 20 phL1t.


Nhung h6m nay c6 vi6c g6p cdn dOn nhd cha s6m hon 4 phrrt nen anir

An

dd di nhanh
hon thurrng 16 m5i phirt I20m

di

<sub>kip </sub><sub>gio. Tinh </sub><sub>quang </sub><sub>duong </sub><sub>tir </sub><sub>nh2r </sub><sub>anh </sub><sub>An </sub><sub>d6n nhd </sub><sub>cha</sub>


dii

bao nhi6u ki-16-m6t?


</div>
<span class='text_page_counter'>(5)</span><div class='page_container' data-page=5>

---HET---Cht k!, gidm khdo 2
Ch:t k! gidm khdo

I



Od t<i6m

tra

chinh

thrfrc


(Gdm

03

trang)


I-

Hdy

thAm 1 chtc

ctii

iI6

<sub>4o </sub>

thdnh tb ilrtng'

( 1

ili6m)



o.

pgn
1.

spr...ng



2.

ar...hitect



3. tooth...che
4. s...adium


IL

Hdy

khoanh trbn

ittip tin

drtng

A, B,

C hortc

D'

( 2

iIiA@



0. That is

my

...'.'.'....

He is a

teaclig\



A.

mother

B.

sister

(Qfather

D'

grandmother


1. .

...

are You

from?



-

<sub>I'm </sub>

from

England.


A.

How

B.

Where

C' Who



2. What

would you

like

to be

in

the future?

-

I'd

like

to be an


D.

How

old



A.

doctor

B.

teacher C.

astronaut

D.

writer


3.

Don't

play

with

the

..

...

...because you

may cut

yourself'



e.l"if"

B.

stove

C'

matches

D'

cat


4.

...do

you play

table tennis?


- Twice

a

week'



A. How

long

B.

WhY

C'

When


5. He

likes

football

on Sunday afternoon'


A.

playing

B.

PlaY

C'

PlaYs
6.

How

can

I

get to the zoo?


D.

How often


D.

played
-

You

can go

there

...foot'



A.by

B. in

C.

on

D.

at


</div>
<span class='text_page_counter'>(6)</span><div class='page_container' data-page=6>

Nc

Dr/qc

urr

vAo



Y----




-X---7. What did

you

do yesterday?


-

I ...

my

grandparents.


A. visit

B. visited

C.

visits

D.

am

visiting



8. There are

thirry-five

students in

my

class,

boys and eighteen girls.


A.

fourteen

B.

fifteen

C.

sixteen

D.

seventeen


ilL



-l{sz.'

Where did

you

go last weekend, Peter?


Peter:

(0)

<sub>I </sub>

<sub>visited </sub>

<sub>Pltu </sub>

<sub>Ouoc </sub>

<sub>Island for </sub>

<sub>a </sub><sub>week.</sub>


Nam:

(1)

...



Peter

:

I

went there

with

my

family.


Nsm:

How

did

you

get there?


Peter:

(2)

...



Nam:

What

did you

do in the morning?

Peterz

(3)

<sub>...</sub>



In

the aftemoon,

I

played

volleyball

on the beach.


Nom:

(4)




Peter:

It

was

really

nice.


IV.

Dgc

ilogn

vdn

vd thtgc hiQn ctic yAu

cilu

bAn

dmfi.



Hi,

my

name

is

Phong.

I'm

ten years

old.

I'm

a

student

at

Kim

Dong


Primary

School.

I

live in

Bac

Lieu.

It

is

in

the south

of Viet

Nam.

There are

only


two

seasons here.

They

are

the

dry

season and

the

rainy

season.

The dry

season
lasts

from

November

to

April.

It

is usually

cool

and

dry

in

this time of

the

year.


This

is

my

favourite

season because

I

can

visit

my

grandparents

in

the countryside


and

fly

kites

with

friends. The

rainy

season

lasts'from

May

to

October.

It

is


usually hot and

wet.

There is a

lot of wind

too.


h6i thoai

vdi nh

cdu cho sdn. ( 2 iliAnt


-

What was the

trip

like?
-

By

plane.


- I took

a boat

trip

and enjoyed seafood.


</div>
<span class='text_page_counter'>(7)</span><div class='page_container' data-page=7>

NG

Dr/gc

utr

vAo



s. ViA

T

<sub>@rtng) </sub>

hortc

F

<sub>$ai) </sub>

cho cdc cdu

dtbi

ctfiy. (1,5 iliAm)
0.

...T...

Phong is ten years old.


i.

...

There are

four

seasons

in

Bac

Lieu.



2.

. . . ,. The

dry

season lasts

from

November to

April.




3.

...

It

is

usually

hot and

wet

in the

rainy

season.


b.

Trd

ldi

cdc cAu

hdi

drbi

itAy.

<sub>Q,5 </sub>

iti6m)
0.

How

old

is Phong?


- He's

ten

years old.



1.

How

many seasons are there

in

Bac

Lieu?



2. Does the

rainy

season last

from

November

to

Aprit?



3.

Why

does he

like

the

dry

season?


V.

Hodn thdnh

cdc cAu

dwdi

iIAy vd,i

nhtrng

tit

vd

cym

tb

cho sdn.

<sub>e </sub>

iliAm)
0. He/ doctor.


-

He

is a

doctor.



1.

What's

/

matterl her?


2.

How

I

rice

/

do

I

yolu

I

every day ?
3.

I

/

reading

/ fairy

tales

/ my

free time.

/


4. Nam <sub>and Quan </sub>

/

going

to/

karate.


</div>
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-FIET-Ho rlr t6n:.... .. KIEM TRA NANG L(IC HQC TAP LOP 6 CLC (THi DIEM)


NAM

Hoc

2ol7 - 2ol8
Nghy ki6m

tra: l5l7l20l7




Thoi sian: 60 <sub>rrhrit (kh6ne </sub>ke thdi eian siao dd)


Md


sii phich


}IO\ KII]TI TRA


TIENG VIET


SO BAO DANH


(do thisinh ghi)


Chr

ki gidm thi I

Cht

kj' giem thi 2


x



DIEM NH4,N XET CUA GIAM KHAO Chi? kj gidm khdo

I

Cht kj, gidn khdo 2 Mrt
si phdch


DG

ki6m

tra

chinh

thri'c
(GOm 0a

trang)



C6u

l:

(2 di6m)
-.1


a) X€p cdc

tu

sau thirnh 3 nh6m:

tri

gh6p,

tu

ldy c6 nghia giam nhe so v6i

tir

g6c
vd tri l6y c6 nghia manh hon so v6i tir gOc.



nhd nhg, li€u linh, thoang tho6ng, si6ng ndng, xanh xanh, tron tria, hgc hdnh, x6m
xit, chAm chqm, bucrng binh.


b) Tim 2 cau ca dao, tuc ngir c6

ti

"thdy'(c6

nghia: ngudi ldm ngh6 dqy hqc).


</div>
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KHONG DLI.qC VIET VAO DAY


Ciu

2:

(l

tli6m)


Cho c6c

li

sau:

nii dii,

rryc

rd,

ddnh dQp, mita xudn, nhdy mtia, hqt mtra, chiit


ch\i,

chen chuc.Hdy x6p c6c tri dd cho vdo nh6m thich hqp:
- Danh

tii:



- DQng tir:
- Tinh tir:


CAu 3: (2 di5m)


a) Chi ra sq kh6ng phn hqp vd nghia trong c6u sau vir chira

lai

cho

dtng

theo 2
c6ch kh6c nhau.


Vi

thAy bi tim n6n

thiy

dA ldrn viec qu6 suc'


b) X6c dinh chri ngir, v! ngir, trqng

ngt

c6 trong c6c

ciu

sau:


-

S6ng nay, mQt ldn gi6 chay qua,

nhfng

chi6c 15 lay dQng nhu d6m lira vdng, hia


- BAy gid, quanh th6n c6y, nhirng ki ng6 to vuon ra manh md, mucrt mir'



</div>
<span class='text_page_counter'>(10)</span><div class='page_container' data-page=10>

KHONG DUOC

VIET

VAO DAY


CAu 4:

(l

tli6m)


B6ng

miy



H6m qua

troi ning

nhu nung,
M9 em di cdy phtri hmg

ci

ngdy.


Uric gi em h6a d6m m6y,
Em che cho mq su6t ngdy b6ng rdm.


(Thanh Hdo)


Dqc bdi tho tr6n, em thdy cluoc nh0ng n6t

gi

dep vd tinh
voi me?


cirm cua nguoi con d6i


Cflu 5: (4 tli6m)


</div>
<span class='text_page_counter'>(11)</span><div class='page_container' data-page=11>

SO GDDT BAC

LITU

KIEM

TRA NANG LU'C HQC TAP LOP 6 CLC


GHi

Dr[M)

- NAM

Hgc

zorT - 2018


HTJoNG

oAN

cnAtr

<sub>- </sub>

lrON

KIElr.l

tRa:

rttNc

vtEr



(GOm 03

trang)



Ciu

1: (2 tli6m)


a) Hgc sinh x6p

ding

10 tir vdo c6c nh6rn cho 1 di6m;.8-9 tiL cho 0,75 cliOml 6-7
tu cho 0,5 di6rn; 4-5 tu cho 0,Z5 di6m; dudi 4 tir kh6ng cho c1i6m.


Tn'gh6p

Til

l6y c6 nghia gi6m

Tir

l6y c6 nghia
nh9 so

v0i

til

g6c


si€ng ndng
hgc hdnh


nhd nhe


xanh xanh


chAm chAm


thoang thodrng


hcrn so v6'i

tir

g6c
li6u tinh
bu'ong binh


h'on tria
x6m

xit



b)

(l

di6rn) Hgc sinh n6u dirng m6i cau cho 0,5 di6m.


Vi d4:


- Kh0ng thAy dii miry ldm nOn.



.;.


- Trong thdy moi dugc liirn thdy.


- M6t chir

cing

ld thAy, nira chir cfrng ld thAy.


-

C6ng cha, nghia mg, on thAy


Nghi sao cho bO nhftng ngdy gian lao.


(Hoc sinh c6 th€ tint nhilng cdu ca dao, tuc ngft khac, n€tt dting

vin

cho di6m

tji

da)

Ciu

2: (1 tli6m) Hoc sinh x6p dring

ci

8 tir cho

I

di6m; 6-7 tiL cl.ro 0,75 di6m; 4-5 tir cho
0,5 di6m; 2-3 tu cho 0,25 di6m; dudi 2 tir kh6ng cho di0m).


- Danh tu:

nii

d6i, mita xudn, hat ntwa.
- DQng tu: ddnh ddp, nhdy mila, chen chilc.
- Tinh tir: ruc rd, chqt chqi.


Ciu

3: (2 tli6m)


a)

(l

di6m): N€u duoc sg t<h6ng phn hqp vd nghia trong cAu cho 0,5 c1i6m; chira
l4i dring theo m6i c6ch oho 0,25 di6m.


CAu tr€n kh6ng phir hqp vA nghia ld do: D4t sai 2

v6

chi

ngto,€n nhan

-

kdr quir
trong cAu ghdp c6 cqp

til

chi quan h€ vi... nAn (hodc diing sai cdp tir chi quan hC n6n 2 v0


c6r.r kh6ng ho.'p nghia).


</div>
<span class='text_page_counter'>(12)</span><div class='page_container' data-page=12>

r




C6 th€ chira lai nhu sau:


Cach

1;Vi

thdy dd ldm viQc qu6 suc n€n thAy bi 0m.
Cach 2; Sd di thAy bi 6m ld do thAy dfr ldm viQc qr-r6 sirc'


(Lru

<sub>!:.Hoc. </sub>

sinh chira

lai

theo c6ch kh6c (ngodi

2

c6ch

trcn)

md tlhng

thi v|n



duqc hudng di6rn t6i da).


b)

(l

tli6m):

Xdc c1!nh

dfng,

du c6c bQ phQn (chir ngir,

vi

ngit, trang ngir) trong


rn6i cau cho 0,5 di6m. Xac dlnh sai ho4c thi6u m6i bq ph?n (chir ngir, vi

ngt,

trqng ngir)
trong c6u trir 0,25 di6m (chi tru h5t 1 di€m).


-

S6ng nay, m6t lan gi6 chay c1ua,

nhtng

chi6c 16 lay d6ng nhu d6m t(ra virng, lua


t'lo,


Trang

ngi:

sting no1'.


Chri

ngf:

mQt ldn

gio;

nhitng chi€c ld.


Vf

ngir: chay qua; tay dQng

nhr

d6m lira vang, ltia do.


- BAy gio, quanh thAn c6y,

nhtng

16 ng6 to vrlon ra m4nh mE, mugt mir'


Trang ngir: bdy

gid;

quanh than cdY.
Chir ngir: nhftng ld ng6 to.



Vi

ngir:

vron

ra manh md, muol ntd.


Ciu

4:

(l

tli6m)


NOu clrrg'c cdc <sub>1i </sub>sau cho 1 tli6m:


Nguoi con dd cirm nh4n dugc sq v6t va, tAn

tio

gian

<sub>[h6 </sub>

cira m9. Con r6t thtrong
A,


rne, mong rnuon dugc giirp dd mq (bAng c6ch n€u c6 phdp mAu sE h6a thdnh d6m mAy
d€ che nang cho rng), mu5n rng b6t di n6i nhgc

nhin,

vAt vA trudc nhinig c6ng viQc d6ng
6ng vdi thdi ti0t khac nghiQt (ndng nhu nung).


.

SrJ cdm nhAn viL mong mu5n

cia

nguoi con dd

n6i

l€n

tinh

cdm clep dE cira con
d6i v6i me. D6 ld th6 hiQn tinh cam c[ra su hi6u thao, quan tArn, thuong y6u me.


Ciu

5: (4

ili6m)



1. YOu cAu cAn

tlqt:



-

Bdi

vi6t c6 b6 cpc rd ldng, dir 3 phAn, dLrgc

sip

x6p cAn aOi, hqp lyi, clirng th6
lo4i kC chuyQn (theo tinh hu6ng ctd cho).


- NCu dugc di6n bi6n cdu chuydn

tu

llc

md dAu d6n khi k6t thirc, bi6t nhAn manh


c6c tinh ti5t, sg viQc chinh dC tao sq

chi

y cira ngudi dgc.


-

Ldi

kC tu nhi€n, chAn thuc nhung c6 s6ng tao vd thti hign cluoc cAm x(rc.


- Di6n dgt

luu

lo6t,

ding

tir

ngir chinh x6c vA co chgn loc. Cau v?rn kh6ng sai l6i

chinh tA vd ngir ph6p.


</div>
<span class='text_page_counter'>(13)</span><div class='page_container' data-page=13>

li

2. Bi6u tli6m:


-

Dirt

tli6m 4: Bdi ldm dat dugc c6c y6u cdu tr6n, b6 cpc

chit

che' I(6 ch,uy6n hAp
dfin, sinh dQng. Hdnh vdn

tr6i

chAy,

ngt

diQu

thich

hgp, gAy cAm xitc, tao en tuong;
kh6ng sai chinh tA vd ng0 phdP.


-

Dat

ati6m

ti,3

tl6n

dudi

4: Biri liLm co bAn ddp [rng duoc cdc ydtr cAu tren. dir y,
bo cr,rc 6op lj,.

Tinh

tiet kh6 rO rirng. Di6n dat tuong c16i mach lac,

it

sai

l5i

chinh td vd
ngir ph6p.


-

D1t

tli6m

ti'2

tl6n d,,6,i 3: Bdi ldm con thi6u rnQt s6 y. bd cuc chua hqp ly. cli€n


dqt lung cirng, thi5u cam xirc. K6 chua dugc mach lqc, ho[c nQi dr.rng kC lan man, kh6ng
trgng tAm. Sai tuong O6i

nlieu

l5i

chinh tdr vd ngir ph6p.


- D?t tti6m

tri

0,5 .t6n du6'i 2:

V

tudng nghdo nirn, di€n clat vpng


'd,

sai nhieu l6i


chinh td vir ngir ph6p.


- Di6m 0: L4c cld ho6c b6 giAy

tring

kh6ng lAm.


Ltrtt

j,:

Pltin, firro'ng tldrr

clnrtr

cltr

lir rrlirttg.gqi

<sub>I </sub>

m.onF rirrh ditylt h,rrorrg.cltrurg


trongqtrir trinh chdm, gidm khiio duavdo bdi vi€t thuc re

cia

hoc sinh d,2 cho di6m thich
ho'p;

cin

khul'An khich nhti'ng bdi litm c6 tinh scing tqo.



.

<sub>HET.</sub>



</div>
<span class='text_page_counter'>(14)</span><div class='page_container' data-page=14>

so GD-Dr BAC

LrtU

KIfM

TRA NANG

LI/C

HQC TAP

L6P

6 CLC
(THr DrEM) - NAM HQC 2017 -2018


HU6NG oAN

cnAu-rrldN

xrtu

rRA: TrfNG

ANH


1c6m

or



thdnh

til

drtno.


( Hoc sinh

di

dilng i

ti

duoc 0,25


1. sprlng
2, architect
3. toothqche
4. stadium


( H7c sinh chqn ddp dn

iling


1.

Who

did

you

go

with?



i cdu cluoc 0,5
2.

By

plane.


3.

I

took

a boat

trip

and enjoyed seafood.
4. What was the

trip

like?


( H7c sinh trd

ldi

dilng i cdu

dtqc

0,5


1.F

2.7



3.7



b. Trfi ld'i ctic cAu

hii

dudi dAu,

<sub>0,5 </sub>

di6ml


(

IIgc

sinh trd

ldi

dting m6i cdu

droc

0,5 di€m.)
1. There are only two seasons./ Two


2. No, it doesn't./ No, the

rainy

season lasts

from May to

October./ No.


3. Because he can visit hi$ grandparents in the countryside and

fly

kites

with



friends.


r;,


1 Cdu 3 can ltru;it dqi tir nhdn xtrng

"lte"

vd tinh

ti

sd

hiru "his"

)



V. Hodn

lhin



(Hpc

sinh hodn thdnh

dilng

m6i cdu

dtqc

0,5 h7c sinh

di

dilng

I

tir



daqc

0,25 di6m)


1. What's

<sub>!!s </sub>

matter

<sub>Eilh </sub>

her?


2.

How

ry[

rice

do

you

eataday?



3.

I

like

reading

fairy

tales-in

my

free time.
4. <sub>Narn and Quan </sub>

rc

going to

<sub>!g </sub>

karate.



</div>
<span class='text_page_counter'>(15)</span><div class='page_container' data-page=15>

-HET-SO

GDDT BAC

LIEU

<sub>KIEM TRA </sub>

<sub>NANG </sub>

<sub>L.TIC </sub>

<sub>HOC TAP </sub>



L6P

6

CLC


(THi DIEM)

-

Nanr

Hoc

z'orz _

zolt



HIJONG

nAN

csAtr-tr6N

<sub>xlrnr </sub>

<sub>rRA: </sub>

<sub>ToAN</sub>



(G6m 02

trang)



r.

rnAc

NGHTpM

<sub>1: Oi6m;</sub>


Khoanh d0ng rn6i cAu d4t 0,5 di6rr


I.

TtI

LUAN. (7 tti6m)

Ciu

1:

(l

diem)


Theo cld bdi s6 cAn tim ld s6 co 2 chiL s6 chia h6t cho 9 (

Z

<sub>kh6ng la </sub><sub>99 </sub><sub>).</sub>


Yit

ab:4

du 3, n€n b

:

3 hodc b = 7


Thay

b:3

<sub>thi </sub>

<sub>a3 </sub><sub>chia </sub><sub>h6t </sub><sub>cho </sub><sub>9, </sub><sub>tric </sub><sub>ld (a </sub><sub>+ 3) chia het </sub>


cho 9 n6n

a:6


Thay

b: I

th\

a:l

chia h6t cho 9, tric ld (a + 7) chia h6t cho 9 n€n

a:2


Vdy: NOu a =

6

thi b =

3,a

-- Z ti1\b = 7


CAu2

(2 di€m)
a) Ta c6:


3:1+2




5=?+?



8:3+5



13:5

+ 8


(0.rsd)
(0,25d)
(0,2 5d)
(0,25d)


s6 hang

bing



(0,s d)
(0,5d)
(0,s d)
(0,2s d)
( 0,2s d)


,^

,

Iu:t,

ra duoc quy luAt.cira ddy s6:',

Tir

s6 hang thri ba

trd di,

m6i
tong hal so hang

tlfng

truo.c li€n n6,'.


V6n dpng quy lu4t ta co bQn sO hrng li€n ti0p ti€p <sub>theo cua </sub><sub>ddy </sub><sub>lir:</sub>


34,

5s,89,

144


9) Trong d5y s6 banhgc sinh viet

cri5

sO <sub>1t, </sub>

2,3,4,

5)

<sub>lai </sub><sub>ldp lai </sub><sub>tud6u.</sub>


Tac6:1996

<sub>5 </sub>

<sub>=399(dul)</sub>




Nhu th6 ban hoc sinh d6 vitit

:Sq

ldn

t,2,3,

4, 5 vd duoc:


</div>
<span class='text_page_counter'>(16)</span><div class='page_container' data-page=16>

Ciu3:

(2 di€m)


,,

_ (0, I 8 x I 0) x I 2, 3 + (0,9

x2)x

456,7

<sub>- </sub>

(3 x 0, 6) x 369



J,O:-50


(Rilt gpn <sub>phdn si| d mdul</sub>


(0, 2s d)


(0, 25 d)
( 0,2s d)


(0,25 cl)
1,8x 12,3 + 1,8x456,7

*

1,8x369


7

6.)


1,8x(12,3+456,7

<sub>-369)</sub>



1,8
1.8x100


=

=100



1,8
b)



4,25 x ( a + 41,53)

-

125 = 53,5


4,25

x(

a +

41,53)

:53,5

+

<sub>125</sub>


4,25x(a+41,53)

=178,5


:

<sub>178,5 </sub><sub>:4,25</sub>


- /1a


=

42

-

41,53


= 0,47


a+

41,53


a+

41,53
a


a


Cin

4:

(2 didm)


Vdi

v6n t6c mdi, thoi gian anh An di tir <sub>nhe anh d6n nhd cha ld:</sub>
20

<sub>- </sub>

4:

16

(ph[t)



Trong 16

phit

neu di

vdi

vAn t6c m6i thi tti hon v6n t6c

ci

la:


120x16=1920(m)




OC

ai

net 1920m

vdi

v6n t6c cir thi'anh An ph6i di 4

phtt,

v4y thuong
di v6i vAn t6c ld:


1920

:4:

a80(m/phtt)


Qudng duong tir nhd anh An d6n nhd cha ld:


480x20=9600(m)



9600m = 9,6 km
D6p s6: 9,6km


(Ndu hgc sinh

tim

theo cdch khdc dting

vin

clto diiim

fii

au1




----HET----(0,25 d)
(0,25 cl)


(0,25 d)
(0,2s d)


(0,2s d)
(0,5 d)
lQ anh An


</div>

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