Question

8+9-9======================

Answer 1

8 + 9 - 9 = 8
Ответ: 8.

Answer 2

1) 8+9=17
2) 17-9=8
8+9-9=8

Answer 3

To calculate the expression 8 + 9 - 9, follow the order of operations, which is typically expressed as "PEMDAS":

1. Parentheses
2. Exponents
3. Multiplication and Division (from left to right)
4. Addition and Subtraction (from left to right)

Since there are no parentheses or exponents in this expression, we proceed with the addition and subtraction:

8 + 9 - 9

First, perform the addition: 8 + 9 = 17

Now, subtract 9 from the result: 17 - 9 = 8

So, the answer is 8.