Các câu hỏi tương tự
Tim gia tri cua x va y de bieu thuc C = -|x-2|-|y-3|-2009 co gia tri lon nhat ,tim gia tri lon nhat do
CHO bieu thuc
B=17,58*43+57*17,58/293*A
a)tim gia tri cua bieu thuc Bkhi a=2
b)tinh gia tri a khi B=2
c)tim gia tri so tu nhien ad biet bieu thuc B co gia tri lon nhat ,gia tri lon do la bao nhieu
tính gia tri bieu thuc
a=-x-y+z biet x=-4,y=-6,z=-/-(-3)/
cho x+y=5 tim gia tri nho nhat cua bieu thuc A=|x+1|+|y-2|
a, tim gia tri nho nhat cua bieu thuc :\(A=\)\(|x+19|+|y-5|+1890\)
b,tim gia tri lon nhat cua bieu thuc:\(B=-|x-7|-|y+13|+1945\)
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 nho nhat cua bieu thuc A=/x+y/+/x+3/+2014
Tim gia tri lon nhat :
|x + 5| - |x - 2|
Tim y de bieu thuc nhan gia tri duong :
a) zy2 - 4y
b) 5.(3y + 1).(4y - 3)
tim gia tri bieu thuc A= 2x2-3y2+6xy voi |x-1|+|y-2|=1
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