Question

Обчисліть 1.7/12:(-14/15)2.-8:3 5/94.-3 3/7:(-1 1/14Відповідь має бути довга срочно!!!!!​

Answer 1

Ответ:

1.  -5/8

2.  -2 1/4

4.  3 1/5

Пошаговое объяснение:

1. 7/12:(-14/15) = 7/12 * (-15/14) = -5/8

2. -8 : 3 5/9 = -8 : 32/9 = -8 * 9/32 = -9/4 = -2 1/4

4. -3 3/7:(-1 1/14) = -24/7 : (-15/14) = -24/7 * (-14/15) = 16/5 = 3 1/5

Answer 2

Calculations

Let's break down the given mathematical expressions step by step:

1. 1.7/12:(-14/15) First, we'll calculate the division inside the parentheses: \(\frac{-14}{15} = -\frac{14}{15}\) Then, we'll divide 1.7 by the result: \(\frac{1.7}{12} \div -\frac{14}{15}\)

The result is approximately -0.02194444[[1]].

2. -8:3+5/9

We'll start by performing the division and addition in the expression: \(-\frac{8}{3} + \frac{5}{9}\)

The result is approximately -2.77777778[[2]].

3. -3+3/7:(-1+1/14)

First, we'll calculate the division inside the parentheses: \(\frac{-1}{14} = -\frac{1}{14}\) Then, we'll add -3 to the result: \(-3 + \frac{3}{7} \div -\frac{1}{14}\)

The result is approximately -3.21428571[[3]].

Conclusion

The results of the given mathematical expressions are approximately: 1. -0.02194444 2. -2.77777778 3. -3.21428571