Question

(-12,4+8.9)x 1 целую 3 седьмых =

Answer 1

(-12,4 + 8,9) * 1 3/7 = - 5

1) - 12,4 + 8,9 = - 3,5
2) - 3,5 * 1 3/7 = - 35/10 * 10/7 = - 35/7 = - 5

Answer 2

To calculate the expression, first, we'll perform the arithmetic operation inside the parentheses:

(-12,4 + 8,9) = -3,5

Next, we'll multiply the result by 1 целую 3 седьмых. To do this, we need to convert the mixed number "1 целую 3 седьмых" into a decimal:

1 целая = 1 (since 1 целая is equal to 1 without any fractional part) 3 седьмых = 3/7 ≈ 0.428571

Now, we'll multiply -3,5 by 1.428571:

-3,5 * 1.428571 ≈ -5.00000185

So, the result of the expression (-12,4 + 8,9) x 1 целую 3 седьмых is approximately -5.00000185.