Các câu hỏi tương tự
Tim gia tri nguyen cua n de cac bieu thuc sau dat gia tri nguyen:
a) A = 1200/n-1
b) B = -1500/n+1
Cho cac bieu thuc
A=n+6 phan n-5 va B=3n-9 phan n-6
a/ Tim gia tri nguyen cua n de A, B la phan so ?
b/ Tim gia tri nguyen cua n de A, B co gia tri nguyen?
c/ Tim gia tri nguyen cua n de A, B co gia tri nguyen lon nhat?
tim cac dang cua x sao cho
bieu thuc A = 2x-1 co gia tri duong x
bieu thuc B = 8-2x co gia tri am
bieu thuc C=2(x+3) khong am
bieu thuc D=7(2-x)khong duong
bai 1 tim nguyen de cac bieu thuc sau dat gia tri lon nhat
P=2010-(x+1)^2008
Q=1010-/3x/
C=5 phần (x-3)^2+1
D=4 phần/x-2/+2
choo bieu thuc
A=2x+1/x-3
a, tinh gia tri cua A khi x2=4
b, tim x de A=1/3
c, tim x thuoc z de A co gia tri nguyen
a) Tim so nguyen n de bieu thuc de n-1 la uoc cua 5
b) Tim so nguyen m de bieu thuc : A = -5/m-1 co gia tri nguyen voi n khong =1
Chu y :may ban lam 2 cau ruj minh tick cho ha
Tim gia tri lon nhat hoac nho nhat cua cac bieu thuc sau
a, C=(x-1)2+\(|2y+2|\)-3
tim tat ca cac so nguyen n de bieu thuc A=2n-3/n-2 dat gia tri lon nhat
cho bieu thuc D=\(\frac{2N+7}{N+3}\)[N thuoc z, n khac 3] tim cac gia tri cua n de D la so nguyen