Question

-3/4*12/7-(-1/7)² скажите пожалуйста

Answer 1

- 3/4 * 12/7 - ( - 1/7 ) ² =
= - 3 * 3/7 - 1/49 =
= - 9/7 - 1/49 = - 64/49 =
= - 1 целая 15/49

Answer 2

Calculating the Expression

To solve the given expression -3/4*12/7-(-1/7)², we can follow the order of operations (PEMDAS: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).

First, let's calculate the expression step by step:

1. -3/4 * 12/7 - (-1/7)² 2. -3/4 * 12/7 - (-1/49)

Now, let's proceed with the calculations.

Step 1: Multiplication and Subtraction

The first step involves the multiplication and subtraction operations.

-3/4 * 12/7 equals -36/28 or -9/7.

Step 2: Subtraction

Now, we subtract -9/7 from -1/49.

-9/7 - (-1/49) equals -9/7 + 1/49 which equals -318/49.

So, the value of the given expression -3/4*12/7-(-1/7)² is -318/49.

I hope this helps! If you have any more questions or need further assistance, feel free to ask.