_____ number should be add to 5, to get 0?
0
1
5
-5
-3/5 - -4/5 =
-1/5
1/5
1 2/5
1 3/5
2/5
3/5
-2/5
-3/5
For any positive numbers x and y, -x + -y =
x + y
x - y
-x + y
-(x + y)
6 - (-2) =
4
-4
8
-8
15 + (-10) =
15
10
Difference between 15 and 7 is.
7
6
9
For any positive numbers x and y, x + (-y) =
x.y
x/y
6/7
-6/7
2/7
-2/7
If the temperature is -5oC and it increases by 7oC. What is the present temperature?
12oC
2oC
3oC
5oC
