Giải:
Số đó là:
149;158;167;176;185;194;...
Đó là : 149 , 194, 419, 491 ,914, 941,
158 ,185, 518 ,581, 815,851,
167,176, 617, 671, 716,761.
có tổng các chữ số bằng 14 nhé !!!
bai1 tim so lon nhat co hai chu so ma tong cac chu so bang 15 la.............................................................................. tim sonho nhat co hai chu so ma tong cac chu so bang 5la.............................................
tim so be nhat co hai chu sokhac nhau va co tong cac chu so bang 13
viet tat ca cac so co hai chu so ma tong cac chu so cua so do bang 15?
Tim mot so co hai chu so ma hai chu so do la hai so tu nhien lien tiep va co tong bang 13 ??
co bao nhieu so co 3 chu so khac nhau ma tong cac chu so hang tram va hang chuc bang 5
Cau 1 co tat ca ..... so co 2 chu so ma hieu 2 chu so cua moi so do bang 6
Cau 2 so lon nhat co 2 chu so ma hieu 2 chu so cua moi so do bang 5 . La :.............
Cau 3 so be nhat co 2 chu so ma tong 2 chu so cua moi so do bang 9 . La : .............
tim cac so co 2 chu so biet tong 2 so la 11 tich la 30 tim 2 so do
co tat ca ... so co 2 chu so ma tong hai chu so cua moi so do bang 8
CAC BAN GIAI RA HO TOI VOI
tong hai so bang 59, mot trong hai so do la so lon nhat co mot chu so. tim hai so do
