Tim gia tri cua x de bieu thuc A=|x-3|+(-100)co gia tri nho nhat ,tim gia tri nho nhat ay
Tim gia tri nho nhat cua y de bieu thuc B=100-|y+3| co gia tri lon nhat, tim gia tri lon nhat do
tim gia tri lon nhat hoac nho nhat cua
a) A= GTTD 3x + 15 cong 20
cho A = 1/15 nhan 225/(8+2) + 3/14 nhan 196/(3x+6) (x thuoc Z; x khac -2 )
a) Rut gon A
b) Tim x thuoc Z de A thuoc Z
c) trong cac gia tri nguyen A tim gia tri lon nhat va gia tri nho nhat
tim gia tri nho nhat cua B=|x +2015|+2016
tim gia tri lon nhat cua C=1982-|x-6|
cho bieu thuc p=3x+9voi x thuoc n
tim gia tri nho nhat cua p
tim gia tri nho nhat va lon nhat cua phan so sau voi x thuoc Z: \(\frac{4x-1}{3x-2}\)
Tim gia tri nho nhat cua bieu thuc: P=|x|+7
(x€Z)
Tim gia tri lon nhat cua bieu thuc :Q=9-|x|
cho bieu thuc 2n+1/n+5(n thuoc Z)
a, tim n de Pco gia tri la 1 so nguyen
b,tim gia tri lon nhat,gia tri nho nhat cua P