True or False;
6. To add or subtract rational umbers with the same denominator, just add or subtract the numerator the copy the denominator
7. To add or subtract rational umbers with the different denominators, just add or subtract the numerator the copy the denominator
8. The square roots of perfect squares are called irrational numbers.
9. Integers such as 1, 4, 9, 16, 25, and 36 are called perfect squares.
10. (the famous number "pi") is an irrational number.

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Nonsense report​