tim mot so biet rang tong cua so do va so lon nhat co mot chu so la so tron chuc lon nhat co hai chu so
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 cac so co 2 chu so ma chu so hang don vi la so chan nho nhat co 1 chu so (Toan lop 2)
tim so bi tru, biet hieu la 45 va so tru la so nho nhat co hai chu so giong nhau
tim 2chu so co1 chu so ma tong 2so la so be nhat co 2chu so hieu 2chu so la 8
tim so tu nhien lon nhat co hai chu so khac nhau ma co tong la 17
tong cua 2 chu so la so be nhat co 2 chu so ma hieu 2 chu so do bang 7 . so hang thu 2 la 9. tim so hang thu 1
trog 1 phep tru, biet hieu la so be nhat co 2 chu so ma tong hai chu so cua no=6; so tru =68. Tim so bi tru?
giai nhanh giup minh nhe! minh dag can gap , ai tra loi dc minh se tick cho!
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 : .............