Question

-6-7+9-7×56+66-(-7)​

Answer 1

Ответ:

-6 - 7 + 9 - 7 × 5 = - 15 + 9 - 35 = - 6 - 35 = - 41

6 + 66 - ( - 7 ) = 6 + 66 + 7 = 72 + 7 = 79

Answer 2

To evaluate the expression -6-7+9-7×56+66-(-7), we can follow the order of operations, which is commonly known as PEMDAS (Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction):

-6 - 7 + 9 - 7 × 56 + 66 - (-7)

First, let's simplify the expression within the parentheses:

-6 - 7 + 9 - 7 × 56 + 66 + 7

Next, we perform the multiplication:

-6 - 7 + 9 - 392 + 66 + 7

Now, we can proceed with the addition and subtraction from left to right:

-13 + 9 - 392 + 66 + 7

-4 - 392 + 66 + 7

-396 + 66 + 7

-330 + 7

-323

Therefore, the value of the expression -6-7+9-7×56+66-(-7) is -323.