Answer:
The expression consists of 2 factors, and each factor contains 3 terms.
The tens digit of 31 is 3. There are 3 tens in this number and that is equal to 30. Also, the ones digit of this number is equal to 1. The answer to this item are therefore 30 and 1. Hope This Helps! :)
Answer:
Answer is 0
Step-by-step explanation:
Well it's just simple, -6 + 6 is 0.
There can be 2 ways. One is that the digits of the numerator and denominator are consecutive. And the other one is that either the numerator or denominator is a prime number.