When adding columns, if you drag more than one and one-half times the width of the column being dragged, new columns are added that have the same width as the original column. If you drag to insert only one column, that column can have a narrower or wider width than the column from where you dragged. The same behavior is true of rows, unless the Row Height for the row being dragged is set to At Least. In this case, if you drag to create only one row, InDesign will “grow” the new row, if necessary, so that it’s tall enough to contain text.
1. Position the Type tool T over the border of a column or row so that a double-arrow icon(arrow left-right or arrow top-down) appears.
2. Hold down the mouse button, and then hold down Alt (Windows) or Option (Mac OS) while dragging down to create a new row, or to the right to create a new column. (If you press Alt or Option before holding down the mouse button, the Hand tool appears—so make sure you begin dragging before you press Alt or Option.)
Note: Dragging to insert rows or columns doesn’t work at the top or left edges of a table. These fields are used to select rows or columns.
, поскольку все на поверхности 
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