Các câu hỏi tương tự
so hang thu 100 cua day so : 2 , 6, 12 , 12 , 20 , 30 , ... la so ...
Cho day so:5,21,53,101,165.....
A.So 23765 la so hang thu may cua day ?
B.So hang thu 87cua day la so nao ?
-tong cua so hang thu nhat va thu hai hon so hang dau la 30.
-tong cua 3 so do hon tong 2 so hang dau la 46
-so hang thu nhat bang nua tong 2 so hang con lai
cho day so 10,15,20,25,...hoi so 2015 la so hang thu bao nhieu cua day?
Bai 1: cho day so 1,5,9,13,...
a) chu so thu 135 la chu so nao
b) tinh tong 200 so hang dau tien cua day
bai 2: 1/3,11/3,7,31/3,...
a) xac dinh so hang thu 2009 cua day da cho
b) trong 2009 so hang dau tien cua day co ? so tu nhien tinh tong tat ca cac so tu nhien do
Mot cua hang co mot so lit nuoc mam dung day trong cac thung, moi thung chua 20 lit. Neu do so lit nuoc mam do vao cac can , moi can 5 lit phai nhieu hon so thung 20 lit la 30 cai .Hoi cua hang co tat ca bao nhieu lit nuoc mam?
Mot cua hang co mot so lit nuoc mam dung day trong cac thung, moi thung chua 20 lit. Neu do so lit nuoc mam do vao cac can , moi can 5 lit phai nhieu hon so thung 20 lit la 30 cai .Hoi cua hang co tat ca bao nhieu lit nuoc mam?
trong day so 1,2,3,4,..... hoi chu so 8 o hang tram cua so 868 la chu so thu bao nhieu cua day
tinh tong cua day so 0; 2 ;4 ;6............x biet x la so hang thu 24 cua tong cac ban giai giup minh bai nay nha ban nao lam nhanh thi minh like