de kiem tra 8 tuan hki nam hoc 2017 2018 mon toan 6 truong thcs phung chi kien nam dinh

Phdng GD-DT TP Nam DinhTrulng THCS Phirng Chi Ki6n DE KIEM TRA 8 TUAN HOC Ti'I NAu Hec zotT - zois TT,TON TOAN.. Tia AB vd tia AC trung nhau c.. VO doqn thAng MA, tia MO, dudrng thing MB

Phdng GD-DT TP Nam Dinh

Trulng THCS Phirng Chi Ki6n DE KIEM TRA 8 TUAN HOC Ti'I

NAu Hec zotT - zois

TT,TON TOAN LOP 6

13r,An tr6c nghi Qm (2,0 di€m):H^,

"Tl;;i#,,?{:lI'#!W{:;f#Z:;1{:l

Ciu 1 Cho tfp hqp M : {2; l0 25} Khi d6 :

Ciu2 K6tqui phdp tinh 55.57 bing :

A 535 - B 5r2

a) 18.65 + 35.18

c) 120+ t 80 - (20- LZ)'l

Blri 3: g.S aiaml Tim sO t.u ntien x, bi5t:

C.{10;2s}c M

c.2512

CAu 3 K6t qui ph6p tit'th (216 .5 + 3 .2'6) : 2 15 bing :

C6u 4 (92)3 c6 gi6 tri bing:

Cffu 5 SO ZS:OS ta sO

A chia h6t cho 2 vd 3

C chia het cho Z vd 5

Ciu 6 Hiqu 11.9.5.2- 48 chia h6t cho

4.2 vd3 8.2 vd9 C 3 vi 5 D.2 vd 5

Ciu 7 SO dopn th6ns c6 trong hinh 1 ld:

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;

b) 28:20 + 32 33

d) 434 - 3a :33 + 252 : 52

c) 52*-: - 2 52 : 52 3

D {10}e M

D 10r2

D 16

D g12

B chia hdt cho 3 vd 5

D chia h5t cho 9

a)5(x+3):15 b) 20+ 5x: 5s : 53

B?i3._.(?,0 diAd Vd dulng thEng xy.L6,y di6m O tr6n duong thing xy, di6m A thuQc tia

Ox, di6m B thu$c tia Oy,

a) Vi6t t6n cdc tiat*ng nhau g6c O

b) ViCt t6n c6c tia d6i nhau g6c A

i\eV 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