tim tong cua 2 so thap phan biet so thap phan thu nhat co phan nguyen la so lon nhat co mot chu so va phan thap phan la so lon nhat co 2 chu so khac nhau , so thu 2 hon so thu nhat 17,3.

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 ?

tim mot so thap phan ma o phan nguyen la so chan be nhat co 3chu so khac nhau , phan thap phan la so le lon nhat co 2 chu so khac nhau

khi cong 1 so tu nhien voi 1 so thap phan ma phan thap phan co 2 chu so ban hoa da bo quen dau phay o phan thap phan va dat tinh nhu cong so tu nhien nen duoc ket qua la 2015 tim so thap phan biet tong dung la 177.56

tim x sao cho 3 < x <4

a/ x la so tu nhien

b/ x la so thap phan co 1 chu so o phan thap phan

Tong cua so thap phan va so tu nhien la 1831,56 nen so thap phan can tim co hai chu so o phan thấp phan

khi cong hai so thap phan ,La da quen dau phay cua so thap phan ma phan thap phan co mot chu so nen duoc ket qua la 84,97.Tim hai so hang cua phep cong biet tong dung la 43,57

co hai so thap phan [moi so co ba chu so o phan nguyen ,mot chu so o phan thap phan]­ ma hieu la 326,2vi ngu gat nen sai 3 loi trong bai toan tru thanh cong bo dau phay cua phan thap phan va tang so hang tram o tren len 1 don vi nen co ket qua la 9192 tim hai so do

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 ?