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 Dinh Trulng THCS Phirng Chi Ki6n DE KIEM TRA TUAN HOC NAu Hec zotT - zois TT,TON TOAN LOP Ti'I 13r,An tr6c nghi Qm (2,0 di€m):H^, Ciu 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 K6t qui ph6p tit'th (216 + 2'6) : 15 bing : B c 10 D C6u (92)3 c6 gi6 tri bing: A 96 B 95 c 38 D Cffu SO ZS:OS ta sO A chia h6t cho vd B chia hdt cho vd C chia het cho Z vd D chia h5t cho Ciu Hiqu 11.9.5.2- 48 chia h6t cho 4.4 4.2 vd3 8.2 vd9 Ciu SO dopn th6ns c6 hinh ld: A I 8.3 C.4 D.6 C vi i 10r2 16 g12 D.2 vd ? t ,.o hinhl cAu 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 B Tia AB vd tia AC trung c Di6m A thuQc tia BC D Ei6m A thu6c -; - tia -." cB -II Phin tr; lu$n (8,0 diA@: Bai (3.0 dia@ Thuc hiQn c6c ph6p tinh (tinh nhanh neu c6 ttrc; a) 18.65 + 35.18 b) 28:20 + 32 33 c) 120+ t 80 - (20- LZ)'l d) 434 - 3a :33 + 252 : 52 Blri 3: g.S aiaml Tim sO t.u ntien x, bi5t: a)5(x+3):15 b) 20+ 5x: 5s : 53 c) 52*-: - 52 : 52 B?i3._.(?,0 diAd Vd dulng thEng xy.L6,y di6m O tr6n duong thing Ox, di6m B thu$c tia Oy, a) Vi6t t6n cdc tiat*ng g6c O b) ViCt t6n c6c tia d6i 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 (r.s dia@ a) Cho A =5 +52+53 + .+ 52016 Tim x dd 4A+5 = 5* b) Chrmg minh tfch cria s6 tg nhi6n li€n ti6p cQng lu6n ld s6 chinh phucrng