Các câu hỏi tương tự
1,tim cac so nguyen x,y biet: -2/x=y/3 va x<0<y
2, Tim cac so nguyen x,y biet:x-3/y-2=3/2 va x-y=4
Tim so nguyen x
(x - 4)(x + 3)>0
(x - 2)(x + 1)<0
tim so nguyen x biet
c)(x - 2)(x + 1)<0
d)(x - 1)((x2 + 4) < 0
tim so nguyen x biet
(x - 4)(x + 3)> 0
(x - 2)(x + 1)< 0
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
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 bt
(x - 9 ) . (x + 2 ) = 0
Tim so nguyen n sao cho 2n - 1 là bội của n + 3
tinh gia tri bieu thuc :M=1.2+2.3+3.4+..+99.100
Tim so nguyen x thuoc Z: (x^2-1)(x^2-4)<0