Question

Выполните действие А) 42-45;Б)16-31;В)15+18;Г)17-(-8);Д)-3,7-2,6;Е)-5/8+5/6

Answer 1

А в калькулятор не хоч зайти?

Answer 2

A)-3 Б)-15 В)33 Г)25 Д)-6.3 Е)5/24

Answer 3

A) 42-45

The result of 42-45 is -3. - This can be calculated as follows: 42 - 45 = - 45 + 42 = -(45 - 42) = -3.

Б) 16-31

The result of 16-31 is -15. - This can be calculated as follows: -16 - 31 = -(16 + 31) = -47.

В) 15+18

The result of 15+18 is 33. - This can be calculated as follows: -15 + 18 = 18 - 15 = 3.

Г) 17-(-8)

The result of 17-(-8) is 25. - This can be calculated as follows: 17 - (-8) = 17 + 8 = 25.

Д) -3,7-2,6

The result of -3,7-2,6 is -6,3. - This can be calculated as follows: -3,7 - 2,6 = -37/10 - 26/10 = (- 37 - 26)/10 = -(37 + 26)/10 = -63/10 = -6,3 [[1]](https://uchi.ru/otvety/questions/vipolnite-deystvie-a-42-45-v-15-18-d-37-26-b-16-31-g-17-8-naydite-rasstoyanie-mezhdu-toch).

Е) -5/8+5/6

The result of -5/8+5/6 is 7/24. - This can be calculated as follows: -5/8 + 5/6 = (-30 + 20)/48 = -10/24 = -5/12.

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