Step-by-step explanation:
A.
- 19
- -12
- -1
- 10
- 9
- -6
- -4
- 3
- 0
- -9
B.
- 3
- 4
- 13
- 15
- 11
- 0
- 5
- 19
- 2
- -9
How to add an integer??
In adding integers its different in a normal numbers. Here is the formula:
Change (+) into (-)
If the postive integer is the highest number the answer is POSITIVE.
If the negative integer is highest number the answer is NEGATIVE.
How to subtract an integer??
In subtracting integers its also different in a normal numbers. Here is the formula:
Keep + Change + Change. (KCC)
Keep the first number.
Change the symbol (-) in (+)
Change the postive in negative or negative to positive.
#Carry on Learning
