[r]
(1)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 gom 06 trang, thi sinh lam bai trite tiep vao ban de thi
1: (5 diem) Tinh bieu thivc :
A 23
22
- 1-V
2.- L
T+72"
i 1 r-f-L "71 7T
! 1 J
1 + + - + -V 32 33
2 ^ 2 + -.- + -T + •
o ^ o 1
o J 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 irong:
"i \3
20% _) ^_
(2)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 thir ![ ia 2:3 nguai tl.urll va ngirai con: thir III la 3:4 nguai i nguai thir IV la 4:5 Tinh so lien rnoi ngulainhan"Uu'g'c
Cdch giai (co vie/ quy trinh bam phim)
i Niuroi i h u i :
Ngu'6'i can
Nmvai can t h i r
Ngu'6'i thir
u
Bai 6: (5 diem) Tren Pano cua tlianh Ca Man co dong chir "WELC'OMU Tu CAMAU CITY - WELCOME TO CAMAU CITY " n6i duoi chay lien luc Hoi chir cai thir 112010 tinh tir bit di.u nhin thay chu WELCOME la chCr cai n;io •.'
Trinh bay each giai (co vie!: quy trinh an phim) DfiVV 6Ul ' 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
(3)•
Bai 7: (5 cfiem) Phan so — 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
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 -!-
Trmh bay each giai (co viet quy trinh an ph in i)
X t >
(4)MjJ): (5.diem) Tim cac so tu:iD cho k'hi chia uaaaa cho
la r, klti chia a^aa chcrp/.'6 cung co thuong la 16 nhirng eg s6 dir la r- 2-0 u (;;
I /Ye/./ each giai: Kcl c/iia;
= : f.G b b b b 4- -V
— Ak bb b -t- A,
&ooo b - -t- 0 -
AO-C\
= 3
b =
^ \ - 3
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-_ ^
(5)rffe tt 2~ <^> ^L?
OJ3,
An i' '
2
L-,
(Zri
(3
to
^\ '
/ o
fo !>
-^
C ^ )0