toan 8 day
cho cac so duong x,y,z,t co tong bang
$2
$ tim gtnn cua
$B=(x+y+Z)(x+Y)/xyzt
$
GTLN, GTNN
toan 8 day
cho cac so duong x,y,z,t co tong bang 2 tim gtnn cua B=(x+y+Z)(x+Y)/xyzt
GTLN, GTNN
toan 8 day
cho cac so duong x,y,z,t co tong bang
$2
$ tim gtnn cua
$B=(x+y+Z)(x+Y)/xyzt
$
GTLN, GTNN