Question

(25ˆ2-13ˆ2)/(40ˆ2-4)

Answer 1

Ответ:

2/7

Объяснение:

(25-13)(25+13)÷(40^2-4)=(12×38)÷(40^2-4)=456/1596 сокращаем на 228

2/7

Answer 2

To calculate the expression (25^2 - 13^2) / (40^2 - 4), you can follow these steps:

1. Calculate the values inside the parentheses:

   • 25^2 = 625
   • 13^2 = 169
   • 40^2 = 1600
   • 4 = 4

2. Subtract the values inside the parentheses:

   • 625 - 169 = 456
   • 1600 - 4 = 1596

3. Divide the result of the first subtraction by the result of the second subtraction:

   • 456 / 1596 ≈ 0.2857142857142857 (rounded to 7 decimal places)

So, (25^2 - 13^2) / (40^2 - 4) is approximately equal to 0.2857143.