so lon nhat co hai chu so ma tong hai chu so bang 13 la so ..94...
Chọn chữ số hàng chục là 9, chọn chữ số là 4 thì ta được số 94
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.............................................
hieu cua hai so la so lon nhat co 2 chu so ma tong 2 chu so cua no bang 12 so tru bang 7 vay so bi tru cua no la bao nhieu vay cac ban
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 : .............
so lon nhat co hai chu so ma tong cua hai chu so do la 5
tong cu hai so la
so chan tron lon nhat . neu co them vao so hang thu nhat la so le co mot chu so lon nhat thi tong bang bao nhieu
tong hai so bang 59, mot trong hai so do la so lon nhat co mot chu so. tim hai so do
Tong cua 2 so la so lon nhat co hai chu so. So hang thu nhat la so chan lon nhat co 1 chu so. Tim so hang kia
tim so tu nhien lon nhat co hai chu so khac nhau ma co tong la 17
Tim mot so co hai chu so ma hai chu so do la hai so tu nhien lien tiep va co tong bang 13 ??