Các câu hỏi tương tự
cho 5 so 0,1,2,3,4 tu cac so ay co the lap dc bao nhieu so tu nhien:
a co 5 chu so gom ca 5 chu so ay
b co 4 chu so cac chu so khac nhau
c co 3 chu so cac chu so khac nhau
d co 3 chu so cac chu so co the giong nhau
tim so co 4 chu so biet rang chu so hang tram, hang nghin, chuc, don vi theo thu tu do lam thanh 4 so tu nhien lien tiep tang dan
tim so tu nhien N co 2 chu so,biet rang 2N+1 va 3N+1 la cac so chinh phuong
tim so tu nhien co 2 chu so biet rang neu viet chinh so do xen vao giua hai chu so cua no thi so do tang len 9 lan
co bao nhieu so tu nhien co 5 chu so ma cac chu so deu lon hon 4 va doi mot khac nhau
giai giup mk vs cac bn . aj giaj dc mk cam on rat nhiu.
tim so tu nhien co 2 chu so biet rang chu so hang chuc lon hon chu so hang don vi la 5 va khi dao nguoc thu tu 2 so do ta duoc so moi =3/8 so ban dau
tim so tu nhien co 2 chu so biet rang neu viet chinh so do xen vao giua hai chu so cua no thi so do tang len 99 lan
Khi moi nhan lop 8A , co giao chu nhiem du dinh chia lop thanh 3 to co so hoc sinh nhu nhau . Nhung sau do , lop nhan them 4 hoc sinh nua do do co giao chu nhiem chia lop thanh 4 to . Hoi lop 8A co bao nhieu hoc sinh , biet rang so voi phuong an du dinh ban dau , so hoc sinh cua moi to hien nay co it hon 2 hoc sinh ?
mot so tu nhien co 2 chu so voi tong cac chu so bang 14. neu viet nguoc lai thi duoc 1 so tu nhien co 2 chu so ,lon hon so ban dau 18 don vi . tim so tu nhien ban dau