Question

(90•50):100+(5•60+0•1):10-10•(9•9:27+2)=???

Answer 1

Ответ: 25.
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Answer 2

25. Если не запуталась.

Answer 3

To solve the 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). Here's the step-by-step calculation:

1. Calculate within the parentheses/brackets first:

   • 90 * 50 = 4500
   • 5 * 60 = 300
   • 0 * 1 = 0
   • 9 * 9 = 81
   • 27 + 2 = 29

2. Replace the expression with the results: (4500/100) + ((300 + 0)/10) - (10 * 29)

3. Continue with multiplication and division (left-to-right): (45) + (30) - (10 * 29)

4. Perform the multiplications: 45 + 30 - 290

5. Finally, perform the addition and subtraction: 45 + 30 - 290 = -215

So, the result of the expression is -215.