Answer:
Use PEMDAS: Parentheses, Exponents, Mutliplication, Division, Addition, Subtraction.
13÷[(-2)+3] = 13
(-31)÷[(-30)+(-1)] = 1
[(-6)+5]÷[(-2)+1] = 1
*In this case, you solve for what's in the brackets.
Ex: 13÷[(-2)+3],
[(-2)+3] = -2 + 3 = 1. 13 divided by 1 = 13.
Hope this helps!!!
