Các câu hỏi tương tự
Viêt cac so co hai chu so ma tong cua hai chu so do la 9
tim so tu nhien co 2 chu so biet rang tong cac chu so bang 7 tich cac chu so bang 10. giai day du dc 1 like
cho 6 chu so 1;2;3;4;5;6 . Tong cua tat ca cac so co 5 chu so khong chia het cho 5 lap duoc tu cac so tren la
hay cho biet co bao nhieu so co 4 chu so cong lai bang 4 ?
so tu nhien be nhat co 3 chu so khacnhau co tong cac chu so la 11
ai giai nhanh tui yich cho
cho 3 chu so a,b,c, thoa man :0<a<b<c
a/viet tap hop A cac so tu nhien co ba chu so gom ca ba chu so a,b,c.
b/biet tong hai so nho nhat trong tap A bang 488. Tim 3 chu so a,b,c noi tren
tim mot so co hai chu so biet hieu cua chu so hang chuc va chu so hang don vi bang 5 va tich cua hai chu so bang 24
So lon Nhat co 2 Chu so ma Hieu 2 Chu so bang 9
co bao nhieu chu so co mot chu so