Các câu hỏi tương tự
tim hai so biet hieu cua chung bang 1/4 so be va tong cua chung bang 9999
tim hai so biet hieu cua chung bang 1/4 so be va tong cua hai so do la 9999
tim hieu , tich ,thuong cua 2so do la 15 va tong gap 3 lan so be
tim hieu , tich , thuong cua 2 so biet tong 2 so do la 15 va tong gap 3 lan so lon
tim 2 so biet tong cua chung bang 9 va tich cua hai chu so gap doi tong?
a)Tim hai so tu nhien biet tong cua chung bang 2009 va biet giua chung co tat ca 20 so tu nhien khac
b)Tim hai so tu nhien biet tong cua chung bang 828 va biet giua chung co tat ca 15 so tu nhien khac
c)Tim hai so tu nhien biet tong cua chung bang 636 va biet giua chung co tat ca 11 so tu nhien khac
tim hieu cua so lon nhat co 3 chu so co tong cac chu so la 17 va so be nhat co 3 chu so co tong cac chu so bang 17
tim hieu cua so lon nhat co bon chu so va so be nhat co bon chu do ,biet rang tong cac chu so cua moi so do bang 15.
tim 3 so , biet so thu nhat gap 2 lan so thu 2 , so thu 2 gap 2 lan so thu 3 va hieu cua so thu nhat va so thu 3 la so 27