Question

7/39+ (2/3-1/3) решить

Answer 1

7/39+ (2/3-1/3) = 20.
30

Answer 2

To solve the expression, follow the order of operations (PEMDAS):

P: Parentheses first E: Exponents (none in this expression) MD: Multiplication and Division from left to right AS: Addition and Subtraction from left to right

Let's simplify the expression step by step:

1. Solve the expression inside the parentheses: (2/3 - 1/3) = 1/3

2. Now, the expression becomes: 7/39 + (1/3)

3. Find a common denominator for 39 and 3, which is 39, and convert both fractions: 7/39 + (13/39)

4. Add the fractions with the same denominator: (7 + 13)/39 = 20/39

So, the simplified result is 20/39.