cho day so 1 , 2 ,3 ,4 , ... ,2006 . a) hoi day so tren co bao nhieu chu so . b) day so co tat ca bao nhieu chu so 5 . c) chu so thu 206 la chu so nao
cho day so tu 1 den 2015 .hoi trong day co bao nhieu chu so 6
cho dãy số 6,16,26,36,...,2016.
hoi day so tren co bao nhieu chu so
Cho day so 1; 3; 5; 7; ...; 1017. Day tren co bao nhieu chu so
Bai1:hieu cua 2 phan so bang 2\(\frac{3}{7}\)phan so thu nhat bang \(\frac{1}{4}\)phan so thu hai.Tim phan so thu 2
Bai 2:nam nay tuoi me hon tuoi con la 25 tuoi.Hai nam truoc day,tuoi me bang \(\frac{7}{5}\)hieu so tuoi hai me con.Vay me nam nay bao nhieu tuoi ?
Bai 3:truoc day mua 5 lit dau phai tra 120000 dong .hien nay gia moi lit dau tang len 6000 dong .hoi voi 120000 dong thi hien nay co the mua duoc bao nhieu lit dau nhu the ?
Bai 4:tim so chan nho nhat co bon chu so sao cho khi chia cho 369 thi co so du lon nhat ?
Bai 5:khi danh so trang 1 quyen sach nguoi ta thay trung binh moi trang phai dung hai chu so . Hoi quyen sach do co bao nhieu trang
Bai 6:cho day so tu nhien lien tiep 1;2;3;4;5;...x
tim x biet day so tren co 1989 chu so
Bai 7:tim so trung binh cong cua tat ca cac so le co hai chu so chia het cho 5
cho day so 2,4,6,............................2016,2018
hoi day tren co bao nhieu so hang
tinh tong day tren
day tren co bao nhieu chu so
tim so hangh thu 202 cua day
cho day so 1;2;3;4;5;6....;2016.hoi co tat ca bao nhieu chu so 8?
Cho 5 Chu so 1,2,3,4,5,6 hoi tu 6 Chu so tren Co the lap duoc: bao nhieu so Co 4 Chu so ma moi so deu khong co Chu so 4
biet rangkhi viet day so 1.2.3.4........ta phai dung 201 chu so hoi day so tren co bao nhieu so