co bao nhieu so co 3 chu so ma tong cac chu so cua no bang 6
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
Việt tạt ca các so co hai chu so ma các so do đều co chu so thu nhất hon chu so thu hai la 2 đon vị
1.tu 1 den 10
A/so lon nhat la:...
B/so be nhat la:...
2.tu 10 den 100
A/so be nhat co 2 chu so giong nhau la:..
B/so be nhat co 2 chu so tron chuc la:...
C/tinh tong cua hai so:.........
so tu nhien be nhat co 3 chu so khacnhau co tong cac chu so la 11
ai giai nhanh tui yich cho
Tim so co 2 chu so lon nhat ma 2 chu so ay khac nhau. La the nao nhi?
Giai giup minh voi cac ban oi
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
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
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