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 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.
so cac so thap phan co 3 chu so o phan thap phan ma cac so do lon hon 10 va be hon 11
hay cho biet co tat ca bao nhieu so thap phan co 3 chu so o phan thap phan , lon hon 9,2 va be hon 9.3 ?
hay cho biet co bao nhieu so thap phan co 3 chu so o phan thap phan ma lon hon 10 va be hon11
hay cho biet co bao nhieu so thap phan co 2 chu so o phan thap phan lon hon 12.5 va nho hon 13.4
hay cho biet co bao nhieu so thap phan co 2 chu so o phan thap phan lon hon 12.5 va nho hon 13.4
hy cho biet co bao nhieu so thap phan co 2 chu so o phan thap phan lon hon 8,6 va nho hon 9,9
hay cho biet co bao nhieu so thap phan co 3 chu so o phan thap phan ma lon hon 9 va hon 10