Question

380. 1) - 10 + 3 + (- 4) 2) - 5 + 8 + (- 5) 3)- 3 + 3 + (- 9, 5) 4) - 9 + 7 + (- 7) ​

Answer 1

Ответ:

1. -11

2.-2

3.-9,5

4.-7

Answer 2

Ответ:

вот ответ на это задание

Answer 3

It seems like you've provided a list of mathematical expressions involving addition and subtraction of integers. Let's solve each of these expressions:

1. -10 + 3 + (-4) = -11
2. -5 + 8 + (-5) = -2
3. -3 + 3 + (-9.5) = -9.5
4. -9 + 7 + (-7) = -9

If you have any more expressions or questions, feel free to ask!