tim cac gia tri nguyen cua x de gia tri bieu thuc y=2x^2+1/2x-1 la so nguyen
bai 1:Tim x,y,z \(\varepsilon\)Z ,sao cho :|x-y|+|y-z|+|z-x|+|z-t|+|t-x|=2003
bai 2:Cho bieu thuc:E=\(\frac{5-x}{x-2}\)tim gia tri nguyen cua x de
a) E co gia tri nguyen
b)E co gia tri nho nhat
Tim gia tri nguyen cua x de bieu thuc 42-x/x-15 co gia tri nho nhat
tim cac gia tri nguyen cua x de bieu thuc sau nhan gia tri duong (x+1).(x-2)/x+6
Cho M :x-2/x+3
a, Tim x € Z de M co gia tri nguyen
b, Tim x € Z de M la gia tri nho nhat . Tim gia tri nho nhat do
cho fx=12x-2/4x+1 tim cac gia tri nguyen x de fx nguyen
tim gia tri nguyên duong cua x và y sao cho 1/x+1/y=1/5
tìm so nguyen a de a^2+a+3/a+1
tim gia tri nguyen cua x de bieu thuc 5-x/x-2 co gia tri nho nhat
cho $M=\frac{42-x}{x-15}$M=42−xx−15 tim so nguyen x de M dat gia tri nho nhat