Dap an thi HSG Casio

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P H O N G GTAO D U C , BE THI CHON HOC SIMI GiOI I/)'!' i! , ' i:

HUYEK TRAN VAN THO'I NAM HOC 2010 -20i!

IDE CHINH THIJ'C

Ngay tin : 21 -11 - 2010

M0« /At ; GIAI TOAN TKEN Ml BT

Thci gian : 120 phut (khong ke thcii giim

Diem Ghif ky giam khao Quy dinh dot vdi thi sinh | _Ma

- Thi sinh chl difdc dung may tinh CASIO fx-220; fx-500A; (-'xoOOMS;

fx-570 M".S; fx-500ES; fx-570ES

- Neu khong noi gi them, hay tinh chinh xac de'n 10 chvf so'

De thi nay gom 06 trang, thi sinh lam bai trite tiep vao ban de thi nay

1: (5 diem) Tinh bieu thivc :

A

2 3

22

- 1-V

2.- L

T+72"

i 1

r-f-L

"7 1

1

7 T

1 + + - + -V

3 32 33

2 ^ 2

2 + -.- + -o ^ 1 o 1T + •

o J 3 J

200920092009 201020102010

Ket qua:

^0-10

05

jfc,~

Bui 2: (5 ell

Cho bi6t x, y la hai dai lirgng ty le nghich Hay dien so thich hop vao 6 irong:

"i \3

Bai 5: (5 diem) Mot nguai de lai di cnuc d6 chia tai.san Thco c!i c h u c h.'.n.j

dirge huong so tien la 184.Q30.OQOc.ong chia iheo ty.le giira nguai can tiur I

con thir ![ ia 2:3 nguai con tl.urll va ngirai con: thir III la 3:4 nguai con i

nguai con thir IV la 4:5 Tinh so lien rnoi ngulainhan"Uu'g'c

Cdch giai (co vie/ quy trinh bam phim)

i Niuroi con i h u i :

Ngu'6'i can

Nmvai can t h i r

Ngu'6'i con thir

u

Bai 6: (5 diem) Tren Pano cua tlianh pho Ca Man co dong chir "WELC'OMU Tu

CAMAU CITY - WELCOME TO CAMAU CITY " n6i duoi nhau chay lien luc Hoi chir cai thir 112010 tinh tir khi bit di.u nhin thay chu WELCOME la chCr cai n;io •.'

Trinh bay each giai (co vie!: quy trinh an phim)

DfiVV 6U l ' VJeiCOME 70 CAMhV CTly" do' J2 ckif Ceu ,

* l " ' / ruuT d(**\ "\L : CaJi (Jul O^ Oc iff fa ^ <&" & &

I?-\ J / - ' ( " f '

(tndjljlj

3 (El

' ^ 3

O

I V.

An

orjrrrr

• 8

Bai 7: (5 cfiem) Phan so — khi viet dual dang so thap phan (a dirge nu)! so ih

vo han iuan hoan Hoi enu ky ciia no co bao nhieu_chiv so

Trmh bay each,giai (covlet quy trinh cin phi in)

An

,

"

-C / ' l b <^OUO DO.

?

33'©

>3S ^ x

13

o,

4

Tim m de da thirc P(x) = 3x - 5xJ + nix - 8x - 465 chin he!, cho x -!- 3

Trmh bay each giai (co viet quy trinh an ph in i)

X t >

*v

MjJ): (5.diem) Tim cac so tu:iD sao cho k'hi chia uaaaa cho

la r, con klti chia a^aa chcrp/.'6 cung co thuong la 16 nhirng eg s6 dir la r- 2-0 u (;;

= : f.G b b b b 4- -V

— Ak bb b -t- A,

&ooo b - -t- 0 0 0 - 4

AO-C\

= 3

b =

Bai 10: (5 dii

Cho tarn gi£c ABC vuong d A va co BC = 2AB = 2a vai a = 1.2,75 cm O p h i :

ngoai tanl giac ABC, ta VQ hinh vuong BCDE, tarn giac deu ABF va l a m LJ'.IC J}.

ACG

a, Tinh cac goc B, C , canh AC va dieii tich tarn giac ABC

b, Tinh di?n tich cac tarn giac d£u ABF, ACG va dien tich hinh vuong BCD1-

Trlnh bay each giai (co viet quy Irlnh an phirri

b

A B Oc

2- «L v

L-_ /\MC L-_ ^

rffe t t 2~ <^> ^L?

OJ3, 2

An i ' '

L-,

(Z ri

(3

to

^\

'

/ o 0

fo !>

-^

C ^ )0

ar; 6p co/ //-z/ khong gl ihich gl them)