Các câu hỏi tương tự
tim x thuoc Z biet :
(x-1)^2 =(x-3)^4
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cach lam bai : giup minh voi
tim x thuoc Z biet:
a, /x/+/y/=0
b, /x/ + /y/= 1
Tim X thuoc Z biet :
(x-3).(x+2)<0
tim x thuoc Z biet (x-7)x(x+3)<0
Tim x, y thuoc Z biet : | x-2| + (x-y+1)^2 =0
tim x thuoc z biet : x + gia tri tuyet doi cua x - 2 = 6 voi x > 2
tim x,y biet x,y thuoc z voi x,y cung dau x+y+|y|=2015
tim x thuoc z biet
(x-1)(x-3)=-5
(x+1)(x+4)=0
(x^2-4)(x^2-19)<0
tim x thuoc z,biet
(x-5)^2=0