Cho biểu thức A = x^2+3/x-2
a tim dieu kien cua x de gia tri cua bieu thuc khong xac dinh duoc
b. Voi nhung gia tri nao cua x thi bieu thuc A nhan gia tri la so a
Cho bieu thuc :
C = ( 1 - 3x ) . x - 2x . ( x - 1 ) + 8
a ) Thu gon C
b ) Tinh gia tri bieu thuc voi x = -3
c ) Tim x de C = 8
d ) Tim ngiem cua C
dau . la dau nhan nha cac bn
nhanh nhanh nha mk dang can gap
cho bieu thuc A = 2012 / 9 - x . Voi gia tri nguyen cua x thi A co gia tri lon nhat ? Tim tri lon nhat do .
voi x nguyen voi gia tri lon nhat cua bieu thuc A=2016-x/6-x
voi gia tri nguyen nao cua x thi bieu thuc A=2015-2x/1-x co GTLN
gia tri nho nhat cua bieu thuc a=(x^2+1)^2+|25-9y|+7 la
Tinh gia tri cua cac bieu thuc sau voi /a/=1,5;b=-0,75
M= a+2ab-b
tinh gia tri cua bieu thuc sau voi A=1,5 ;B=-0,75
N=A:2-2:B
gia tri cua b bieu thuc
C=/3b+7.2/+/a-2.1/
dat gia tri nho nhat la