Cac chu so phan muoi, phan tram, phan nghin cua mot so thap phan co 3 chu so o phan thap phan la 3 so le lien tiep . Tong cac chu so o phan thap phan bang phan nguyen cua so do, cac chu so o phan nguyen va phan thap phan deu khac nhau . Tim    so thap phan do ?

Cac chu so phan muoi , phan tram cua mot so thap phan co hai chu so o phan thap phan la hai so tu nhien lien tiep co tong bang 11. Tich cac chu so o phan thap phan bang phan nguyen cua so do.tim so thap phan do !

         Giai chi tiet ho minh nhe!

tinh tong tat ca cac so thap phan co phan nguyen la 9,phan thap phan la 3

giai giup toi  : khi cong 1 so thap phan, mot ban hoc sinh da quen danh dau phay o so thap phan va dat phep tinh cong nhu so tu nhien nen tong la 404. tong dung la 134,72. tim so tu nhien va so thap phan do, biet so tu nhien co 3 chu so va so thap phan co phan nguyen gom 1 chu so ?

tinh tong cac so thap phan co cac chu so khac nhau ma co 3 chu so o phan thap phan lap duoc tu cac chu so 0;3;5;7

tinh tong cac so thap phan co 4 chu so khac nhau ma co 3 chu so o phan thap phan lap duoc tu cac chu so 0;3;5;7

tinh tong cac so thap phan co 4 chu so khac nhau va co 3 chu so o phan thap phan duoc lap tu cac chu so 0;3;5;7.

Cho 3 chu so 3,4,5. Tinh tong cac so thap phan co 3 chu so khac nhau ma phan thap phan co 1 hoac 2 chu so viet boi cac chu so tren.

tinh tong cac so thap phan co 4 cs khac nhau ma co 3 cs o phan thap phan lap duoc tu cac chu so 0,3,5,7