Các câu hỏi tương tự
a)tim a,b,c thuoc Z biet:
Ia-bI+Ib-cI+Ic-aI=2017^2018
b)Tim x:y thuoc N* biet :
3x-1 chia het cho y va 3y-1 chia het cho x
NHANH LEN NHE CAC BAN !!!!!!!!!!!!!!!!!!!!!
(2x-1)(3y-2)=27 tim x y biet x y thuoc n
Tim x biet:
+)2x + 3 la boi cua x - 2
+)11x la so nguyen to
NHANH LEN!
tim x biet x+34 la boi cua x+1
tim x biet 2x+1 la uoc cua x+82
NHANH LEN NHE
tim x biet x+34 la boi cua x+1
tim x biet 2x+1 la uoc cua x+82
NHANH LEN NHE
Tim x, y va z, biet :
a) x/2 = y/3 = z/4 va x + y + z =18.
b) x/5 = y/-6 = z/7 va x + y - z =32.
c) x/5 = y/3 = z/2 va 2x + 3y + 4z =54.
d) x/2 = y/3 = z/6 va 3x - 2y + 2z = 24.
Ai biet thi chi giup minh nha. Cang nhanh cang tot ! Minh xin cam on.
Tim x,y biet:
\(|2x^2+1|+|x-3y|\le\) 1
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
Tim x,y biet
a)(2x +1)(3y-2)=55
b)(x+1)(xy-1)=3