### Home > CCA > Chapter A > Lesson A.1.9 > Problem A-96

A-96.

Use legal simplification moves to determine which side of the Expression Comparison Mat is greater.

Some legal moves are removing zero pairs from one side of the Expression Mat and removing equal tiles from the top and bottom of the Expression Mat.

These two Expression Mats are equal.

Use the eTool below to solve part (a) of the problem.

Click on the link at right for the full eTool version: CCA A-96a HW eTool

Use the eTool below to solve part (b) of the problem.

Click on the link at right for the full eTool version: CCA A-96b HW eTool