Question

Выполните действия: а) /-3/+/+7/; б) /+12/-/-2/; в) /-13/+ /3/

Answer 1

3+7=10
12-2=10
13+3=16

Answer 2

А)4
б)14
в)-10

Вроде так

Answer 3

а) -3 + 7

To perform the calculation -3 + 7, you simply add the two numbers together.

The sum of -3 and 7 is 4.

б) +12 - (-2)

To perform the calculation +12 - (-2), you need to remember that subtracting a negative number is the same as adding its positive counterpart.

So, -(-2) becomes +2.

Therefore, +12 - (-2) is equivalent to +12 + 2.

The sum of +12 and +2 is +14.

в) -13 + +3

To perform the calculation -13 + +3, you simply add the two numbers together.

The sum of -13 and +3 is -10.

Please let me know if there's anything else I can help you with!