When the teacher explains rows and columns, are N rows and N columns actually N rows and 1 column, or 1 row and N columns?
卢小强2019-11-06 08:52:37
No, 2 rows and 2 columns is a 2X2 table. 2 rows and one column is 2X1. One row and 2 columns is 1X2. You will understand if you try it yourself