Phdng GD-DT TP Nam Dinh
Trulng THCS Phirng Chi Ki6n
DE KIEM TRA 8 TUAN HOC
NAu Hec zotT - zois
TT,TON TOAN . LOP 6
Ti'I
13r,An tr6c nghi Qm (2,0 di€m):H^,
Ciu 1. Cho tfp hqp M : {2; l0 25}. Khi d6 :
"Tl;;i#,,?{:lI'#!W{:;f#Z:;1{:l
4.2
eM
Ciu2. K6tqui
B.V_.. {10;2s}
phdp tinh 55.57 bing
-
C.{10;2s}c M
D. {10}e M
:
A. 535
B. 5r2
c.2512
D.
CAu 3. K6t qui ph6p tit'th (216 .5 + 3 .2'6) : 2 15 bing :
B.
c. 10
D.
C6u 4. (92)3 c6 gi6 tri bing:
A. 96
B. 95
c. 38
D.
Cffu 5. SO ZS:OS ta sO
A. chia h6t cho 2 vd 3
B. chia hdt cho 3 vd 5
C. chia het cho Z vd 5
D. chia h5t cho 9
Ciu 6 . Hiqu 11.9.5.2- 48 chia h6t cho
4.4
4.2
vd3
8
8.2
vd9
Ciu 7. SO dopn th6ns c6 trong hinh 1 ld:
A. I
8.3
C.4
D.6
C. 3 vi
i
5
10r2
16
g12
D.2 vd 5
? t
,.o
hinhl
cAu 8. Ei€m B nim gifra hai di€m A vi C. Khang dinh ndo sau d6y 1d sai ?
A. Tia BA vd tia BC d6i nhau
B. Tia AB vd tia AC trung nhau
c. Di6m A thuQc tia BC
D. Ei6m A thu6c
-----; - tia
-." cB
-II. Phin tr; lu$n (8,0 diA@:
Bai 1. (3.0 dia@. Thuc hiQn c6c ph6p tinh (tinh nhanh neu c6 ttrc;
a) 18.65 + 35.18
b) 28:20 + 32 . 33
c) 120+ t 80 - (20- LZ)'l
d) 434 - 3a :33 + 252 : 52
Blri 3: g.S aiaml. Tim sO t.u ntien x, bi5t:
a)5(x+3):15
b) 20+ 5x: 5s : 53
c) 52*-: - 2. 52 : 52. 3
B?i3._.(?,0 diAd Vd dulng thEng xy.L6,y di6m O tr6n duong thing
Ox, di6m B thu$c tia Oy,
a) Vi6t t6n cdc tiat*ng nhau g6c O
b) ViCt t6n c6c tia d6i nhau g6c
i\eV
xy,
di6m A thuQc tia
A
di6m M b6t ki kh6ng thuQc ducmg thang xy. VO doqn thAng MA, tia MO, dudrng
thing MB
Bii
4. (r.s dia@.
a) Cho A =5 +52+53 + .....+ 52016 . Tim x dd 4A+5 = 5*
b) Chrmg minh tfch cria 4 s6 tg nhi6n li€n ti6p cQng 1 lu6n ld s6 chinh phucrng.