Question

17,7 – 2,6 : 13II4x5- 5 2,5( 23 + 3) : 1115?​

Answer 1

Ответ:

17,7 – 2,6 : 13 ответ 17,5

5- 5 2,5 ответ −47,5

( 23 + 3) : 11 ответ 2,36363636364

Пошаговое объяснение:

Answer 2

To solve this expression, you should follow the order of operations (PEMDAS/BODMAS), which stands for Parentheses/Brackets, Exponents/Orders (i.e., powers and square roots, etc.), Multiplication and Division (left-to-right), and Addition and Subtraction (left-to-right).

Let's break down the expression step by step:

1. Start with the parentheses: 23 + 3 = 26

2. Replace the parentheses with the result: 17.7 - 2.6 : 13 * 4 - 5 * 2.5 * 26 : 1115

3. Now, perform the division and multiplication from left to right: 17.7 - 2.6 = 15.1 15.1 : 13 = 1.16153846154 (rounded to 10 decimal places)

   13 * 4 = 52 5 * 2.5 = 12.5 26 : 1115 = 0.023315 (rounded to 6 decimal places)

4. Replace the division and multiplication with their results: 1.16153846154 - 52 - 12.5 * 0.023315 : 1115

5. Perform the remaining subtraction and division from left to right: 1.16153846154 - 52 = -50.83846153846 (rounded to 10 decimal places)

   12.5 * 0.023315 = 0.2914375

   -50.83846153846 - 0.2914375 : 1115

6. Finally, perform the last division: -50.83846153846 - 0.2914375 = -51.12989903846 (rounded to 10 decimal places) -51.12989903846 : 1115 ≈ -0.04593 (rounded to 5 decimal places)

So, the value of the expression is approximately -0.04593.