Moi cau sau d'Au c6 4 llra chon, trong dd chi co mQt phLro'ng dn dilng.. Hdy viAt vdo gidy Cfru 1... Hinh nho sau dAY ld hinh thoi:1 A.
Trang 1\
or rrpvr rRA cuol Hoc rY r
NAwr Hec 2oz2 - zozt Mdn: Toin 6
Thoi gian ldm bdi: 90 phft
DC bai g6m: 20 cdv,02 trang
I rnic NGHIFM (3,0 ili6m) ,.7
Moi cau sau d'Au c6 4 llra chon, trong dd chi co mQt phLro'ng dn dilng Hdy viAt vdo gidy
Cfru 1 Tflp hqp {x € N, x < 6} cdn c6 c6ch vitit kh6c ld :
PHONG GIAO DUC VA DAO TAO
THANH PHO.HAI DI,ONG
A {1 ;2;3 ;4 ;5}
C {1 ;2;3 ;4;5;6}
Cia2 S5 dOi cria -28 ld:
Cfiu 6 Trong hinh sau c6 sd tam gi6c d6u ld:
B.{0;
D.{0;
D 1008
D.6
l;2;3;4;5\
l;2;3;a)
Cf,u 3 Tdng ndo sau d6y khdng chia h6t cho 2?
A 3258 + 140 B 1040 + 934
c 1598 + 324 D 987+150
Cflu 4 Trong c6c sd sau: 25, 405, 508, 1008 56 chia h6t cho ci 5 vd 9 ld:
Ciu 5 Trong cdc lopi bi6n b6o sau, bi6n b6o ndo c6 truc d6i xring?
lrtr {kiruot ti.l'r 'l ir
W \
,ffi- -dd*ffie*
M;W ,Wf ai%
'ffi
ffi ffi ffi %* W dl;Hrr\*1fu
ffimmwffi
Ciu 7 Tflp hqp c6c s6 nguy€n ld udc oia9,nh6 hcrn 8 ld:
A {1;3}
C {-9'-3; -1; l;3;9}
./
Ciu 8 KOt qu6 s5p x6p cdc sO -2; -3; -102;
A.-2; -3; -99; -102
C -102; -99; -3; -2
d)
B Hinh a) vd Hinh d)
D Hinh c) vd Hinh d)
B (1 ;3; ej
o {-}-3; -1;1;3}
- 99 theo thri tU tdng dan ld?
B -102; -99- -2; -3
D -99; -102; -2; -3
c.3
Trang 2Cffu 9 Hinh nho sau dAY ld hinh thoi:
1
A Hinh I
2
B Hinh 2
Cffu LL K6t qu6 cta ph6p tinh (-8)' (-5) bang:
A 40 B (-40) c' (-13)'
CiuL2 Sd ndo trong c6c s0 sau KIIoNG ln sO nguyen t0 ?
II TI/ LU,IN (7,0 tli6m)
Cfiu 13 (0, 5 tli6m) Liet k0 c6c phdn tri cria tflp hgp sau:
M: tx ezl - 4 <;(.< 4)
Cffu 14 (1,0 tli0m): Thgc hiQn ph6p tinh:
Cflu 15 (1,0 tli6m) Tim sO nguy6n x, bi6t:
a) 3x -2: 19
CAu 16 (1,0 tli6m) S0 hqc sinh cria m6t trudng THCS trong khoang tir 850 d6n 950 hqc
sinh vd htri tap trung chdo cd neu xep hdng 20, hdng 30 ho4c hdng 36 thi vira dir' Tinh s6
hgc sinh cria trudng d5.
ia" iz (1,0 tlicmj Vc hinh cht nh4t c6 chiAu ddi 5cm, chi6u rQng 3cm' Tinh diqn tich
hinh cht nhAt d6?
cf,u 1.8 (0,5 tli6m) B6c Hda u6n mot sgi d6y th6p thdnh m6c treo d6 c6 dang hinh thoi v6i
dO dAi c4nh bing 25cm.H6i b6c Hda cdn bao nhi6u mdt diy th6p?
Cflu 19 (1,0 tli6m) Tim Uc, UcLN c'ia75,30 vd 25'
ii" io ir,o ai6*i choB : 3 + 32 +33 + """ + 360
Chring t6 rlng B chia htit cho 13'
C Hinh 3 D Hinh 4
cau 10 Hinh lpc gi6c dou c6 dudng ch6o chinh dai 1g cm s6 do canh cira hinh lqc gi6c
D.9cm
D 13.
D.335
b) 132 + 2.(x- 4): 46
SBD: Hq vd tOn thi sinh: """"
Gi6m thi 1: Gi6m tht,2:
:jll]
,\
i!'Aq
tlA0'C
*), i*=X
I
Trang 3DE KIEM TRA CUOI HQC KY I NAM Hec zoiaz -2023 M6n: Toin 6
Hucmg d6n ch6m g6m 02 ttang
I pHAN TRAC NGIIIEM (3,0 di6m) z Mdi cdu dilng daqc 0,25 diAm
rr PHAN TI/ LUAN (7,0 tli6m):
Ndi dun
M: {-3; -2; -l;0; l;2;3;4}
.22 - 36 :32 : 6.4 - 36 :9
:24 - 4:20 b) 19 48 + 52 19 - 400 : 19.(48+52) - 400
: 19.100 - 400: 1900 - 400 : 1500
a) 3x -2: 19
3x :21
x :7 eZ
b) 132 +2(x - 4) = 46
2(x-4)=-86
x-4 =-43
x =-39 eZ
Vay x : -39
0,25
0,25
0,25
0,25
Gqi sO hs cAn tim ld x, 850 ( x ( 950, x e N
Vi sO hs x6p hdng 20,30,36 thi vira dri n6n:
I
lx::0 *xe BC(20,30,36)
Ta c6: 20 :22.5; 30:2.3.5;36 :22.32
Suy ra BCNN (20;30;36) : 22 32.5:180
BC(20,30,36)={0; 180; 360; 540; 720;900; 1080; "}
3x=900
Vfly s0 hgc sinh trucrng d6 le 900 hqc sinh
0,25 0,25 0,25 15
0,25
t6
Trang 4Jd[ ja\\ l* ll
.,i/
Luu f: Hgc sinh gi6i theo c6ch kh6c dring vdn cho di6m t6i da.
17
- HS vE hinh dring
A
- DiQn tfch hinh cht nh$t ld:
S:5.3 : 15 (cm2)
0,5
18 B6c Hda cdn s6 m6t dAy th6p ld: 25 4: 100(cm) : 1*. 0,5
19
Ta c6:
^ F')
l) : 3.)'
30:2.3.5
r1 /.): )'
ucLN (75,30,25) : 5
rJc(75,30,25): U(5) :
{t,S}
0,5
0,5
20
C6 B=3+32 +33 + +3uo
: (3 + 32 + 331+ (30 + 35+ 3u) + + (3tt + 35e + 3uo)
: 3.(l+3+3') + 34.(t+3+3',) * + 358.11+3+32;
: 3.13 + 34.13 + + 358.13
:13.(3 + 34+ + 358) chiahtit cho 13.
0,25 0,25 0,25 0,25
t^