Các câu hỏi tương tự
tim cac chu so a;b;c;d biet
a *bcd*abc=abcabc
Tim cac chu so a, b, c, d biet a . bcd . abc = abcabc
Tim cac chu so a,b,c biet abcabc dại so chia het cho 5;9 va chu so deu le
tim so a,b,c,d biet
a x bcd x abc = abcabc
tim cac chu so a ,b, c,d khac nhau biet rang abc x c=dac
bai 1 tim so tu nhien co 4 chu so ab cd biet abcd+abc+ab+a=4321.tim abcd
bai 2 cho m , n la cac so tu nhien va p la so nguyen to thoa man 9/m-1=m+n/p. tinh A= p^2-n
bai 3 tim so co 3 chu so biet abc 1000/a+b+c=abc.
tim A,B,C,D biêt A.BCD.ABC=ABCABC
abc+defg=mnpq
tim a,b,c,d,e,f,g,m,n,p,q biet a>b>c>d>e>f>g>m>n>p>q voi tat ca cac chu so khac nhau
Cho 3 chu so a,b,c voi 0<a<b<c
a,Viet tap hop A cac so co 3 chu so,moi so gom ca 3 chu so tren
b, Biet tong 2 chu so nho nhat trong tap hop A=499. Tim tong cac chu so a+b+c