@Calculate what 2+(-4)=?
-2
2
-6

@Calculate what -5-6=?
-11
1
-1

@Calculate what (-3)+(-7)=?
-10
4
-4

@Calculate what 9(-3)=?
-3
3
12

@Calculate what -27(-3)=?
9
-9
24

@Calculate what 5(-1)+2=?
-3
5
-5

@Calaculate what (-6)x(-4)=?
24
-24
-10

@Calculate what (-1)x(-2)x(-2)=?
-4
4
-8

@Calculate what (-3)x5x(-2)=?
30
-30
-17

@Calculate what (-4)+12=?
28
-4
4

@Calculate what 15-(3)=?
6
21
9

@Calculate what -8+2-1=?
-7
-6
-11

@Calculate what (-1)x63=?
-2
2
1