Các câu hỏi tương tự
tim cac so nguyen a;b;c thoa man dong thoi 3 dang thuc :a.b.c+a=2011;a.b.c+b=2013;a.b.c+c=2015
Tim cac so nguyen m,n,p thoa man p = m - n = m . n
Giup minh voi minh dang can gap
biet a,b la 2 so nguyen to ko cung nhau thoa man a=2n+3;b=3n+1.Khi do UCLN(a,b)=.....?
nhanh len nha mk dang can gap
luu y: ko tra loi bang chtt hay cau hoi tuong tu
Cho bieu thuc A = 3/n-2
a) Tim cac so nguyen n de bieu thuc A la phan so
b) Tim cac so nguyen n de A la mot so nguyen
Cac giup minh nhe minh dang can gap.
tim tat ca cac so nguyen to a,b,c co the bang nhau thoa man abc<ab+bc+ca chung minh rang neu b la so nguyen to >3 thi (b+1)(b-1) chia het cho 24
tim cac so nguyen a,b,c thoa man dong thoi 3 dang thuc
a*b*c+a=1333;a*b*c+b=1335;a*b*c+c=1341
tim a,b,c la ngto thoa man tat ca dang thuc sau
a.b.c+a=2011 : a.b.c+b=2013 ; a.b.c+c=2015
Tim n€Z , biet:
a) n+8/n-5 la so nguyen.
b)n2+1/n-6 la so nguyen.
Giup minh voi minh dang can gap .
Lam chi tiet ho minh nha.
a) tim gia tri nho nhat cua bieu thuc : A = | 1-x | + 8
b) tim cac so nguyen x biet 13 la boi cua x - 4
c) tim so nguyen x sao cho ( x + 5 ) chia het cho ( x + 3 )
giup minh voi! minh can gap gap gap.....