Question

Вычислите корень 0,81-корень 0,25 .2 вариант тема квадратные корни помогите

Answer 1

√81=9
√25=5
√0,81 - √0,25 = 0,9 - 0,5 = 0,4

Answer 2

Calculating the Square Roots

To calculate the expression √0.81 - √0.25, we can first find the square roots of 0.81 and 0.25, and then subtract the second square root from the first.

1. Finding the Square Roots: - The square root of 0.81 is 0.9. - The square root of 0.25 is 0.5.

2. Subtracting the Square Roots: - √0.81 - √0.25 = 0.9 - 0.5 = 0.4

Therefore, the result of the expression √0.81 - √0.25 is 0.4.

I hope this helps! If you have any more questions or need further assistance, feel free to ask.