Các câu hỏi tương tự
Bai 1: Cho day so : 10; 13; 16; 19...
a) so 2002 la so hang thu bao nhieu cua day
b) Tim so hang Thu 107 cua day
Bai 2: tinh tong cua day so sau :
2; 4; 6; 8... 78; 80
Bai 3 : Cho day so
3; 6; 12; 24; 48...
Cac so 666; 2004 co thuoc day khong
Bai 4 : cho day 3; 18; 48; 93; 153...
a ) Tim so hang Thu 100 cua day
b ) so 11703 la so hang Thu bao nhieu cua day
Ai nhanh minh tick!
Cho S = 7+10+13+....+100
a)Tinh so so hang cua tong
b)Tim so hang thu 22 cua tong
c)Tinh S
Cho tong S= 5+8+11+14+......
Tim so hang thu 100 cua tong
tinh tong 100 so hang dau tien
gia thich ra cho minh de hieu nha !
,cho day so 1,4,7,10........
a)tim so tu 50 cua day
b) tim tong cua 100 so hang dau tien
cho day so :1;4;7;10;.....;2014.
A) tinh tong cua day so tren .
B) tim so hang thu 99 cua day.
tinh tong 2+4+6+8...... biet tong do co 60 so hang tong cua 60 so hang la bao nhieu
tinh tong sau
a=5+8+11+14+...+302
tim so hang 60 cua day sau 7;11;15;19;...
khi cong hai so thap phan mot hoc sinh da viet nham dau phay cua so hang thu nhat sang ben phai 1 chu nhat do do tong tim duoc la 43.21 dang le tong cua chung phai la 12,34 hay tim hai so hang cua tong
cho day so 1,4,7,1o,13,...
a. tim so hang thu 50 cua day.
b. tinh tong cua 50 so dau tien