) u-r J 1.
Nnln x6t Ciic ban sau day c6 ldi giai dring:
Lang Son: Nguydn Phong Phtr, 11A, THPI Chu Van
An, TP Lang Son; Thdi Nguy6nz Nguydn Ydn Thdnh, 128, TH[rf Bic Son; Bdc Ninh: Nguydn Dinh Ki€n,
l1Al, THP| Ti€n Du, NguydnTri Dfing, 11A1, THFrf
ThuAn Thinh 1, LA Ti|hThdnh,l lAl, THPI Qud V6;
Vinh Phric: Nguydn Thu Phtong, Dd La Viil Thdng, NgdTud'n Anh, NguydnXudnTho, Phing Hodng Duc,
1 1A1, THPT chuy0n Vinh Phtic, Phqm Sl Tiah, 12A2,
THPT B6n cOng Hai Bi Trung, Vinh Phric; Phri Tho: od"s riin si;h, nx, THFi' cN Yi€:t Tr\, Khting
Ngoc Trong, 10T, THP| chuy6n Hing Vuong, Phf Tho; Hi Tiryt Nguy€n Htru Phtrng, I lA2, THPT Van C6c, Duong Minh Hing, Trinh Ngoc 7n, 11T, THm
Nguy,5n HuO, Hi Dong; Hii Duong: Vii Xtdn Dtong,
I lT, THm chuyOn Nguy6n Tr6i, TP HAi Duong; HungYdn; Phan Ti6'n Diing, 1 1T, THm chuyen Hung Yen; Ydn; Phan Ti6'n Diing, 1 1T, THm chuyen Hung Yen;
Th6i Binh: Ngudn Binh,1lA1, THFT Nam Tidn Hrii;
Nam Dinh: Pham Dtty Hiip, I lT, THru chuydn L€
Hdng Phong, TP. Nam Dinh; Thanh H6a: Trinh Bd
Linh, 11T, THm chuyen Lam Son; Ngh€ An: D|u L€
Thiy,11A, THP| Qulnh Luu, Nghq An; Quing Binh: Ddng Ngqc Thanh, 1lT, THPf chuyOn Quring Binh;
Qu6ng Tri: V d Thi Chung, 1 lT, THP| chuyOn Le Quy
Ddn; Khrinh llita; D inh V dn V *ong, I0T, N guydn T hi
Hodng Oanh, NguydnThdnh Nam,l lT, THm Lc Quf
DOn, Nha Trang; Binh Dinh: Vd i{udnThanh,llA6,
THPT s6 2, Tuy Phudc; Dak LAk: LA Dftc Quang,
1lCI, THm chuyOn Nguy6n Du; Bh Ria - V[ng Tiu: Duong Vdn An, 10A1, THm Chau Thinh; Phti YOn: Nguydn Ti€h Dfing, llA THm Phan Chu Trinh, Ph[ ySri Bac LiEn: irdn My Linh, lOT, Dd Thanh An,
11T, THPf chuyOn Bac Li0u.
NGUYEN VAN MAU
* Bei Tnl344" Gia ,sti'ba ram giitc ArBtCi, A2B2C2 vit A$sCs thoa mtirt cric diiu ki€n ;
e, =4. =4, A 1B 1 : A2B2 : AjBj vd
B p 1+C2A2 : B{z + CjAj : B$s + C / r ()
Ch{rng mirl't riing hct tam gidc d6 bting nhatt.