Question

Вычислите 387²-387·48+339·613 63,4²+63,4·27,3-90,7·13,4 помогите пожалуйста

Answer 1

Ответ:

1) 339000

2) 4535

Пошаговое объяснение:

1) 387²-387·48+339·613=387^2-18576+207807=387^2+189231=339000

2) (317/5)^2+63,4*27,3-90,7*13,4=(317/5)^2+515,44=4535

Answer 2

To calculate the expression 387² - 387·48 + 339·613 + 63.4² + 63.4·27.3 - 90.7·13.4, we can follow the order of operations (PEMDAS/BODMAS) to simplify the expression step by step.

Step 1: Calculate the squares

- 387² = 387 * 387 = 149,769 [[1]] - 63.4² = 63.4 * 63.4 = 4,022.56 [[2]]

Step 2: Calculate the multiplications

- 387·48 = 18,576 [[3]] - 339·613 = 207,507 [[4]] - 63.4·27.3 = 1,730.82 [[5]] - 90.7·13.4 = 1,216.38 [[6]]

Step 3: Substitute the calculated values into the expression

Now, we can substitute the calculated values into the expression and simplify it further:

149,769 - 18,576 + 207,507 + 4,022.56 + 1,730.82 - 1,216.38

Step 4: Perform the additions and subtractions

149,769 - 18,576 + 207,507 + 4,022.56 + 1,730.82 - 1,216.38 = 343,257

Therefore, the value of the expression 387² - 387·48 + 339·613 + 63.4² + 63.4·27.3 - 90.7·13.4 is 343,257.

I hope this helps! Let me know if you have any further questions.