Tim cac so nguyen x biet:
a,(x^2--5)(x^2-25)<0
b,(x-2)(x^2+1)=0
c,(x+3)(x^2+9)<0
d,(x-1)92x^2-8)^2=3
tim so nguyen x biet:(2-x)(5+x)<0
tim cac so nguyen x biet
a)(x2 - 10)(x2 - 25)<0
b)(x - 2)(x2 +1)=0
tim cac so nguyen x biet
a (x2 +5) . ( x2 - 25 )<0
b (x2 -5) . ( x2 - 25 )<0
Tim so nguyen x biet
(x - 2)(x2 + 1) > 0
(x + 5)(2 - x) < 0
Tim so nguyen x biet
(x - 2)(x2 + 1) > 0
(x + 5)(2 - x) < 0
tim so nguyen x,y biet
(x2 - 4)(x2 - 25) la mot so nguyen am
xy - 3y =-19
Tim so nguyen x,y biet:
a. (x+2).(x+5)>0
b.(x-1).(y-2)=12
bai 1 tim so nguyen duong nho nhat co 3 chu so , so nguyen a lon nhat co 2 chu so
bai 2: tim x thuoc Z biet
a, / x/ = -5
b, /x/= <7
c, /x/ = 4
d, /x/=0
