Question

(1/39-5/6) -(3,9-2,2)-5,3

Answer 1

Ответ:

-7.80769230769

Пошаговое объяснение:

(1/39-5/6) -(3,9-2,2)-5,3=

1/39-5/6= -0.80769230769

3,9-2,2= 1.7

1.7 - -0.80769230769= 2.50769230769

5,3 - 2.50769230769= -7.80769230769

Answer 2

To calculate the expression (1/39 - 5/6) - (3.9 - 2.2) - 5.3, follow these steps:

1. First, simplify the fractions in the expression:

   1/39 - 5/6

   To subtract these fractions, you need to find a common denominator, which in this case would be 39 * 6 = 234. Then, convert both fractions to have the common denominator:

   (1/39) * (6/6) - (5/6) * (39/39) (6/234) - (195/234)

2. Subtract the fractions:

   (6/234) - (195/234) = (6 - 195)/234 = -189/234

3. Now, simplify the expression with the simplified fractions:

   (-189/234) - (3.9 - 2.2) - 5.3

4. Next, calculate the subtraction inside the parentheses:

   (3.9 - 2.2) = 1.7

5. Now, substitute the value of the subtraction back into the expression:

   (-189/234) - 1.7 - 5.3

6. Finally, calculate the remaining subtraction:

   (-189/234) - 1.7 - 5.3 ≈ -0.8077 - 1.7 - 5.3 ≈ -7.8077

So, the result of the expression is approximately -7.8077.