dap an lop 10 thai nguyen 2016 2017 chuyen tin

dap an lop 10 thai nguyen 2016 2017 chuyen tin tài liệu, giáo án, bài giảng , luận văn, luận án, đồ án, bài tập lớn về t...

KTK–GIA HC K II – NH: 2009 – 2010 MÔN TOÁN - LP 4 Th i gian làm bài: 40 phút TRNG TH NGUYN BNH KHIÊM H TÊN: ………………… LP: ………… Giám th 1 Giám th 2 S mt mã S th t  im Giám kho 1 Giám kho 2 S mt mã S th t     !""#$%&'"#()$*'%+,"   -.#+%/,/'0/,*1,"(23245         6 ,-7$8*1,"9$%*98+:&/,)  17 1     10 17     17 17     1 17     36.#+%:&/,/'0:&/,)$%,")     4 3     2 1     28 19    7 5   ;6 5 2 ):&/,<:="&>?"#+@1            A B*1=9,'CD0E0FG"H$8:&"#,+  9 8    7 9  5 5    11 9  11 3     26 8  13 4     ,*?I*&$(>""#%*$%*-&"H$8:$(>":(*           A  8 3  5 4  328  9 8    3 2     32  128   27            .H    5 9  10 3   3 5 !       7 12 " 4 3  7 4 !        .@?       8 7 ! 16 29       8 5 ! 4 3      #$%&'()(*'+(%&,-+(./%(,%&,01'%,2'%&,-+( 5 2 ./31'%,%&,-+('.4) 3 1 ./(()2-51./%(,%&, 6 7     8(*'(,.*'9 15 7 )  3.1( 5 3 ) :9(*,- (,6 7     JKBLMNOP.NKQ NRBJQS0OTUBP.  KTK – KLT HC K II – NH : 2009 – 2010 MÔN TING VIT - LP 4 KIM TRA B TRNG TH NGUYN BNH KHIÊM H  TÊN: ………………… L  P: ………… Giám th  1 Giám th  2 S  m  t mã S  th  t   VnDoc - Tải tài liệu, văn uUoxc UBND TINH THAINGUYEN sO cr.q.o DUC vA oAo rAo UAN csAlt THI TUYtN srxn l6P 10 rHPT crruYEN NAwI HQC 2ot6 - 2or7 vrON THr: ToAN HQC chuy0n tin) @nnh cho thi sinh thi vio (Bdn hudng ddn chiim gdm cd 04 trang) I Hu6ng din chung you cAu cria hudng.dSn chAm di^di,*,tli tlirng bii d'rL;9'1 {'r"q'ry cho di6m toi aa hoa vdi tinh dOng, linh ho4t r.1-' a-,r.,-^ rzi thang rhano di6m, al6 gi6m si6m kh6o cAn chtr dQng, 6tvd dbp in dung ,t.i- Xfri vfln than ffintrQng bii ldm cria hgc sinh' ctc v c6n phii dnm b6o ktr6ng sai lQch voi t6ng - iiC, l\gu vv Ylvw rrr iiet t''oa diom Ai6* A"gc th6ng nh6t t6 chAm thi' h6i dA thi, ch6m di6m 16 d6n 0,25 ] ##,i;""h.#'fvirng ,* *XifrlitffiHru#"* ;:dffi #"[r 5[Ti#1?itffi;'Eib,, vi khdng lim trdn 6n vh tha Cffu 1,5 -.: drcm 'ur'J.'.a,, di6m -:- Tim sO ab cho ab ld sO nguyet' '6 vA (aO-t) ld sO chinh phuong Gidi: _ =lla + o - (tou + a) = g(o - b) = 3' (o - u) b ns6 D, (ab - br) li sii chinhphuong nln a > b vd a < b e{t;+} chinhphuong th6a mdn < a - b > a - Ta c6 ab - ba 1= ab e {21;32;43;54;65;76;s798\ Do ab li sd nguY€n ti5 n6n ab = 43 ' e {sYaz;t3;84;95} +Ntiu a - b = q +Ntiu a - b= Do ab li =;b si5 ngrryOn ti5 V4y c6c sO oU At Ciu2 2,0 drcm ciai uA {i ;I - !2 = 4x-2y-3 0r25 0r25 0r25 0r25 fr =B ' tt* lajl he phucrng trinh: Girti: n6n 0,25 71 ==:* - zv -3 , {.' Y2 =5 4x+2Y+3= o tr y' !2 L tr'* =5 "* : ! -l)(x+ v -3)=0 =o o -l)' -(v -z)' f(, {(' vl*'*v' ofrr*r;=i =J * {:;i ,,' f urn"* {il i,,'-l u'> I v=x-L I Y=x-l tri * !2 =5o tr' +(r-1)' = s 0r5 0,25 I y=x-l I x=-l I x=2 o\r*'-2x-4-oo\, '1 , =, ( v=3-x 0r5 , I Y=3-x 1ri + y, =so lr, + (3 - *), =s I y=3-x I x r ttI x-2 o\r*'-6x+4=oo\, =-, , =, + (II) o v0y nehigm (*;y) cria hQ phuong uinh Cffu 1,0 Tt* t6t cilcfuc cflp sti nguy€n (*;y) 0r5 h (-U-z),(t;z),(z;t) th6a mdn: 2xy + 4x + 2Y +l> 5x2 + 2Y' Girti: Y\ x, y nguy6n n6n tu gin thitit: ?4y + 4x +2y +l> 5* '.: clrcm 0r25 ' +2f +5xz +2y'sLxy+4x+2Y 0r25 e (, - y)'+(zx-1)'+(y -t)'