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Cflu 8. Cho c6p sO nhan (u,) vbi ur=2025, c6ng bQi q. Dqt S =4uz+5ur. Dd S dat gi6 tr! nho nh6t thi gi6 tri c:iua q lit A. -zozs. s. !. g. ?. D. -2 . 555 Cffu 9. Tap nghiQm cua b6t phuong trinh log, (, - t) < -l le J C. (";) D - oo; Cflu 10. Cho <16 thi cria hdm s6 y = f (*) nhu hinh b6n vd di6n tich hai phAn t6 dam 6n luqt ld S, = l0 vd S, :3. Gi5 tri cua p2 ) _,"f \x)dx bdng A. c.5 3) _t 2) v A. + @ 2' B. (l; + m) B. -1 D. 13 7 175 :fi-t) r50 Cflu 11. Phucrng trinh sin = I c6 tap nghiQm ld 7t x-- J * {++k,ntk e z\ . {++ tcrlrt e z\. - {+ +rrtrcez} ,. {;. rzrtrc ez} Ciu 12. X6t hai bitin c6 dQc IQp A, B thba men P(A) = 0,2 vd P(B):0,3 . X6c su6t cua bi6n c6 AwE bing A. 0,14. 8.0,44. C.0,76. D. 0,9. Ciu 13. Bi6u d6 dudi ilAy the hiQn chi phi ho4t clQng ctra.4 cdng ty A, B, C, D cho ba h4ng muc: NhAn su, dAu tu vd vfn hdnh trong ndm2024 (don vi: ti ddng). r45 t++{ 200 150 I00 50 160 155 170 150 125 165 I60 155 140 b0 ,.o F 0 C6ag t1'A C6ng ty B Cong t)'C Cmg tY D / Nha! slr e Diu tu .: Vin hinh Chgn ng6u nhi6n mQt c6ng ty trong c6c c6ng ty do. X6c su6t AC c6ng ty dugc chgn ra c6 chi phi trung binh cira ba hpng mpc l6n hcrn 154 ti d6ng ln D.3 4 C.? 3 B. 2 Trang2l4 - Ma dA thi 056 ,/ S: A. I. 4 1

B. vrEr rRtN ro crAv rHr pnAn fU (f Oi6m). Th{ sinh tra loi t* cdu I ddn cdu 4. D6i va mit cdu, thi sinh ch{ vidt kdt qud, khdng trinh bdy ldi gidi. Cf,u.1. Chon ngdu nhi6n ba s5 nguy6n duong kh6c nhau d6i mQt kh6ng vugt qu6. 12. H6i x6c sudt d6 ba s6 dugc chgn ra la dO ddi ba c4nh cua mQt tam giSc bing bao nhi6u? (Kiit quA ldm tron d6n .), nang phan tram). Ciu2.Trongkhdnggianvoih0tqa dQ Oxyz, chom{tcAu (S) '.*'+y'+22-4x+l2y+62+24=0. X6thai di€m M,N thuQc (S) saocho MN=8 vd ON2 -OM2 =112. Hoikhoingc6chtudii5m O cl6n duong th&ng MN bing bao nhi6u? Cflu 3. B4n An dy dinh ldm mQt chi6c hQp c6 d4ng hinh l6ng try tam gi6c tl6u sao cho th6 tich cta khtii l6ng tru d6 bing 40 cm3 . Ban An mu6n so, mdu t6t ca chc m{t cria chi6c hQp d6. H6i t6ng diQn.tich cria tit ch cilc m{t dugc son mAu nh6 nh6t ld bao nhi6u centim6t vuong (ldm tron k€t qu6 d6n hdng dcrn vi)? Cflu 4. B6c Dfing gui tiet kiQm vdo mQt tei khoin ng6n hdng theo ki han 1 thrlng. Bitit ring s6 ti6n trongtdikho6nsauxth5ng (xe N-) dugctinhbingc6ng thttc f(x)=S0.(1,00a)'{ttigud6ng)vd b6c Dfing khdng rut ti€n khoi ngdn hdng trong su5t qu6 trinh gui. Hoi sau it ntr6t bao nhi6u thbng, sO tl6n trong tdi kho6n cl6 cua b6c Dflng vugt qu6 52 tri6u d6ng? Phin IV (3 rli€m). Thi sinh trinh bdy day du ldi gidi ti cdu 5 din cdu 7. Cflu 5. MQt trucrng hoc c6 60oh hqc sinh ld nft, 40%o hgc sinh ld nam. Sau khi th6ng kE ket 9ua hqc tflp cu6i n[m, ngudi ta thAy ring trong sd hgc sinh nt c6 45o/o tlat k6t quii hgc tAp x€p loai :l t6t, trong s6 hgc sinh nam co 40% dat k6t qud hoc tdp x€p loqi t6t. Chon ngdu nhi6n m6t hgc sinh trong trucrng. Tinh x6c su6t d6 hgc sinh d6 ld nam, bitit ring hgc sinh d6 d4t k6t qua hoc tdp x6p loai t6t (lem tron k6t qu6 d6n hdng phin trim). Ciu 6. Cho hinh ch6p tu gi6c S.ABCD c6 c16y ABCD liL hinh thoi c4nh bing o,ilD=120", c4nh b6n SA vu6ng g6c"v6i mat phing d6y, g6c gita clucrng thing SC vd mdt phdng cl6y bing 45". Tinh khoring c6ch gita hai x -t 2,Y x e (-2; 0) vit f'(x)

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