Huỳnh Anh Phương
03/08/2018 at 03:08-
Huy Toàn 8A (TL) 03/08/2018 at 03:17Because each row is separated by 1 unit and each subsequent row adds a number
So we have :
Row 5 : 10 12 14 16
Because each row is separated by 1 unit and each subsequent row adds a number
So we have :
Row 5 : 10 12 14 16