tap hop cac so huu ti thoa man gia tri tuyet doi cua x-5=x+3
ai dung minh tich cho
tap hop cac so nguyen n de \(\frac{n}{n+3}\)co gia tri la so nguyen la S = {...}
tim cac so nguyen n de\(\frac{3n-1}{n-1}\) co gia tri la so nguyen
tim cac so nguyen n de phan so sau co gia tri nguyen
2n+3 / 7
hai so duong x,y thoa man x.y=20 va x/4=y/5 co gia tri lan luot la
cach lam nha cac ban
cho n so x1;x2;........................;xn moi so nhan cac gia tri 1 hoac -1. CMR: neu x1.x2+ x2.x3+.....+xn.x1=0 thi n chia het cho 4
Tim cac gia tri nguyen cua x de cac gia tri bieu thuc sau la so nguyen
a, 9-2x/x-3
b,3x-5/x-2
c,-3/4-x
TAP HOP CAC SO TU NHIEN N DE A=8N+193/4N+3 LA SO TU NHIEN S={.......}NHAP GIA TRI THEO THU TU TANG DAN
NHANH LEN CAC BAN OI
Cho P=x+2y-3z/x-2y+3z.Tinh gia tri cua P biet cac so x ,y,z vk cac so 5,4,3