uvsaNNHANoANQu4 ''''l i PrroNG cHo oqc vA oAo r4o oicniNguruc (g6m 01 trang) oE xrElr ru ugc rcf r NAm ugc 2ot9 2020 rrrdl+ roAx rcr6r o Ngey kidm tra i6 thiing 12nFm20l9 Thdi gian 90 phfi fthdng kE tltd[.]
Trang 1uvsaNNHANoANQu4:'l i
PrroNG cHo oqc vA oAo r4o
oicniNguruc
(g6m 01 trang)
oE xrElr ru ugc rcf r
NAm ugc 2ot9 -2020
rrrdl+: roAx - rcr6r o
Ngey kidm tra: i6 thiing 12nFm20l9
Thdi gian: 90 phfi fthdng kE tltdi Sian phil de)
Cia1: (2,0 ifr6m)
ThUc hi€n phdp tinh:
a 4.52 -81:33
b 450 + (-310)+ l-37Sel +(-140)
c 100 :
{2s0 : [4so -(z'.rzs - z'.zs)'l]
Chu2: (2,0 fid@ Timx:
a 107-7(x+5)=65
b.4(x-1)3 +15=47
CiuS: (2,5 ili6m)
a Thay chflr a, b bdi cric cht sti thich hqp dC sd Gab chia cho 2 du 1 nhrmg chia h6t
cho 5 vi 9.
U Cho A = { x eN* / x i 4 x i 5, x i 5 vi x < 240 } Hay vi6t tap hSp A dudi dang
liQt kO c6c ph6n tu
c Tim s6 t.u nhi6n li udc clrung crla hai s5 2n + I vir 3n + 5 voi n e N'
Ciu4 (1,5 itidm)
Mrinh vuon hinh cht nh4t c6 chi6u ddi 105rn, chi6u rQng 75m Nguoi ta mu5n tr6ng
c6y xung quanh wdn sao cho m6i g6c vu&n c6 I ciy vd kh-ofurg ciich gita 2 c6y 1i6n ti6p
;ilffir]il111 k]hra"e ;6d, gaa2-cdy li6n tii5p *uo .ho t6ng si5iay trong h it nh6t Kii d6
cen trdng sii cdy ld bao nhi6u?
Cdu5t (2,0 ifr6@
Tr€n ctrngtia Ax, ldn luqt i6y hai diiim M vi N sao cho AM = 3cm, AN = 8cm'
a Chring-t6 di6m M nim gita hai <ti6m A vA N T*! AO ddi doan thang MN'
; G ,fAy;ii" aai.ffi e* Tre tiu Ay dy di6m e sao cho A li trung ditim cria
MQ HAy so srioh dQ ddi doqn thing MQ vi MN
_HE?-(Hgc sinh khing ilvgc sr? dung tdi liQa - Gidm th! kh6ng gi'rti thlch gt thAm)
Ho t6nhgc sinh: '.'.'.' -SO bao danh: ""''''"" - Trudng: