Tuyn tp 200 bi tp v H phng trnh c li gii chi tit nm 2015 Lu hnh
ni b!TUYN TP 200 BI TP H PHNG TRNH C LI GII CHI TIT NM 2015
Ti liu c son theo nhu cu ca cc bn hc sinh khi trng THPT (c bit l
khi 12). Bin son theo cu trc cu hi trong thi tuyn sinh i hc Cao ng
ca B GD&T. Ti liu do tp th tc gi bin son:1. Cao Vn T CN.Mng Ton
Khoa CNTT Trng H CNTT&TT Thi Nguyn (Ch bin)2. C Trn Th Ngc Loan
CLB Gia S Thi Nguyn(ng ch bin).3. Thy V Khc Mnh CLB Gia s Bc Giang
(T vn).4. Nguyn Th Kiu Trang SV Khoa Ton Trng HSP Thi Nguyn.5.
Nguyn Trng Giang Khoa CNTT Trng H CNTT&TT Thi Nguyn.6. L Th
Thanh Nga SVNC Khoa Ton Trng H SP Thi Nguyn.7. Ng Th L Khoa CNTT
Trng H CNTT&TT Thi Nguyn. Ti liu c lu hnh ni b - Nghim cm sao
chp di mi hnh thc. Nu cha c s ng ca ban Bin son m t ng post ti liu
th u c coi l vi phm ni quy ca nhm. Ti liu c b sung v chnh l ln th
2. Tuy nhm Bin son c gng ht sc nhng cng khng th trnh khi s sai xt
nht nh. Rt mong cc bn c th phn hi nhng ch sai xt v a ch email:
[email protected] !Xin chn thnh cm n!!!Chc cc bn hc tp v n thi
tht tt!!!
Thi Nguyn, thng 07 nm 2014
Trng nhm Bin son
Cao Vn T
Bi 1: Gii h phng trnh
Gii
T (1) ta c th vo (2) ta c
Vy tp nghim ca h phng trnh l
Bi 2: Gii h phng trnh
Gii Phn tch. Phng trnh (2) l bc nht i vi y nn ta dng php th.TH 1
: x = 0 khng tha mn (2)
TH 2 : th vo (1) ta c
Do nn h phng trnh c nghim duy nht Ch .: H phng trnh ny c th th
theo phng php sau:
H Bi 3: Gii h phng trnh
Gii K: H . Tr v hai phng trnh ta c
TH 1. th vo (1) ta c
TH 2. . T ,
. Do TH 2 khng xy ra. Vy h phng trnh c nghim duy nht (1 ; 1)
Bi 4: Gii h phng trnh
Gii K: . Tr v hai pt ta c
TH 1. th vo (1) ta c
t ta c v TH 2. . TH ny v nghim do K.Vy h c nghim duy nht (1;
1)
Bi 5: Gii h phng trnh
Gii
--Cn tip--- mi cc bn tham kho ti
http://123doc.vn/share-200-bai-he-phuong-trinh-co-loi-giai-chi-tiet/MzExNDU=
hoc ti
http://123doc.vn/document/1457611-200-bai-he-phuong-trinh-co-loi-giai-chi-tiet.htm
Ti liu c 132 trang c bin son theo cu trc nh trn.Cc bn c th nhn
Ctrl+Click chuc tri vo 1 trong 2 ng lick trn i ti ti liu mt cch
nhanh nht. 4
Ch bin: Cao Vn T Email: [email protected]
