Question

20-(0.75+14.3-2.45):50/16.5:55+12.5*4-30.3​

Answer 1

Ответ:

0,9874

Пошаговое объяснение:

Answer 2

Let's break down the expression step by step:

$20 - \left(0.75 + 14.3 - 2.45\right) : \frac{50}{16.5} : 55 + 12.5 \times 4 - 30.3$

Step 1: Solve the expression inside the parentheses: $0.75 + 14.3 - 2.45 = 12.6$

Step 2: Substitute the result back into the main expression: $20 - 12.6 : \frac{50}{16.5} : 55 + 12.5 \times 4 - 30.3$

Step 3: Solve the division inside the expression: $\frac{50}{16.5} = 3.03$

Step 4: Substitute the result back into the expression: $20 - 12.6 : 3.03 : 55 + 12.5 \times 4 - 30.3$

Step 5: Perform the division operation: $12.6 \div 3.03 \approx 4.1584$

Step 6: Substitute the result back into the expression: $20 - 4.1584 : 55 + 12.5 \times 4 - 30.3$

Step 7: Perform the subtraction operation: $20 - 4.1584 \approx 15.8416$

Step 8: Substitute the result back into the expression: $15.8416 : 55 + 12.5 \times 4 - 30.3$

Step 9: Perform the division operation: $15.8416 \div 55 \approx 0.288939$

Step 10: Substitute the result back into the expression: $0.288939 + 12.5 \times 4 - 30.3$

Step 11: Perform the multiplication: $12.5 \times 4 = 50$

Step 12: Substitute the result back into the expression: $0.288939 + 50 - 30.3$

Step 13: Perform the addition and subtraction: $0.288939 + 50 - 30.3 \approx 20.988939$

So, the final result is approximately $20.988939$.