tim gia tri lon nhat cua bieu thuc m-n-p voi m,n,p la cac so khac nhau va la so co bon chu so
tinh gia tri lon nhat va be nhat cua bieu thuc a-(b+c la nhung so co ba chu so khac nhau )
gui cho minh dap an nhanh nha minh can lam va cac lam nu nha
tim gia tri lon nhat cua a-b+c biet rang a , b va c la cac so co 6 chu so va cac chu so do deu khac nhau
tim gia tri lon nhat cua bieu thuc M=b/[7-(a+b)] voi a,b la cac so tu nhien
bai 1
cho bieu thuc A = 5/n+1 voi N THUOC Z
a, de A la phan so thi n co dieu kien gi ?
b , tim tat ca cac gia tri nguyen cua n de gia tri A la 1 so nguyen ?
bai 2
cho bieu thuc M = 6/n-3 voi n thuoc Z .Co bao nhieu gia tri cua n de :
a, M ko phai la phan so
b , M la phan so va cp gia tri nguyen ?
bai 3 viet tap hop cacs so nguyen sao cho :
-12/4 < x <6/3
Bài 1:
a: Để A là phân số thì n+1<>0
hay n<>-1
b: Để A là số nguyên thì \(n+1\in\left\{1;-1;5;-5\right\}\)
hay \(n\in\left\{0;-2;4;-6\right\}\)
Cho biet a,b,c la cac so co 1 chu so . Viet tiep vao cho cham :
a, Gia tri lon nhat cua bieu thuc a+b+c= .......
b, Gia tri be nhat cua bieu thuc a+b+c = .......
a+b+c lon nhat=9+9+9=27
a+b+c be nhat =0+0+0=0
tick nha
o minh cung dang dinh hoi cau ay
giup minh voi
Hieu cua so lon nhat co bon chu so khac nhau va so chan nho nhat co 4 chu so khac nhau la?
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?
tinh gia tri cua bieu thuc a+b biet rang a la so nguyen am lon nhat co 2 chu so b la so nguyen am nho nhat co 2 chu so
giup minh voi cam on
hieu cua so lon nhat co bon chu so khac nhau va so chan nho nhat co 4 chu so khac nhau la