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Use the eTools below to compare the given Expression Mats in each problem and determine which is greater.
1. CC3 Lesson 2.1.7 2-64:

2. CC3 Lesson 2.1.7 2-65:

3. CC3 Lesson 2.1.7 2-66a:

4. CC3 Lesson 2.1.7 2-66b:
