Question

2.
(-1) x even number of times =
3.
(-1) x odd number of times =
4.
38 = 0 =
5.
0 - 11 =
6.
13 = 1 +
7. 55 +
= 0
8.
(-31) +
= 0
9.
(-55) +
= -89
10. (-33) +
= 79
11. 1000 +
= - 1000
12.
[(-7) + 9] - L
= 9+ [ -7 + 4]​

Answer 1

Answer:

so what is the question i can't find this whole thing is answer right