Thay abcd bang cac so thich hop sau
co giai thich :
abc x 5 = dad
thay cac chu a b c bang nhung so thich hop trong phep tinh sau co giai thich
abc*5=dad
1)thay a;b;c bang chu so thich hop:
a) a,bcd + ab,cd + abc,d =222,777
b) abcd -bcd x 2 = ac
thay a,b bang chu so thich hop de 1a83b chia het cho 45( co loi tick ngay)
cho a= 702x1y.Hay thay x,y bang nhung chu so thich hop de duoc so co 6 chu so khac nhau chia het cho 2,9 va chia 5 du 3
tim chu so thich hop thay vao x,y,m,n biet xy,mn-0,xy
cac ban giai bang cach lam cua cap 1 nha
thay cac chu cai bang so thich hop abab + ab =1224
Thay a va b bang chu so thich hop.
a,b x 0, a x 0,b = 0,bbb
Ai viet ca cach giai mik se k cho
thay a;b bang chu so thich hop de a735b chia het cho 15