Các câu hỏi tương tự
Tim x,y la so nguyen
a) 2x-3y+5= xy
b) x mu 2 +2xy+2x+4y
B2 Tim x,y la so nguyen to
x mu 2 -2y mu 2 =1
B3 Tim so tu nhienx,y
7 .(x-2004) mu 2 = 23- y mu 2
chỉ ra cặp x,y thỏa mãn; |x mu 2+2x|+|y mũ 2 - 9|=0
1) (3x-5/9) mu 200 + (3y+0,4/3) mu 2008 =0
tim cap x;y thoa man
2) (2x-1) mu 2k + (y-(1/3))mu 4k = 0
ai truoc thi mk like
tim x,y biet:36-y mu 2=8(x-2021) mu 2
[1/2x mu 2(2x-1) mu m-1/2 x mu(m +2]:1/2x mu 2 =0
tim x
Tìm x,y:
3/5x bằng 2/3y và x mu 2 - y mu 2 bằng 38
cho A= 2x mu 2-10xy+2016y mu 2+y va B=5x mu 2-7xy+2016y mu 2+7y-2016.tim C biet A+C=B
tim cac gia tri cua x de bieu thuc sau nhan gia tri am
a)x mu 2 + 5x b)x mu 2 - 5/2x c)3(2x+3)(3x-5) d)x - 2/x-6 e) x mu 2 -1/x mu 2
tim GTLN cua bieu thuc B= 2013-2014.x-x mu 2-y mu 2