A. add the following
1.(+9)+(+10)=____
2.(-7)+(-5)=____
3.(+5)+(-6)=____
4.(+2)+(+8)=____
5.(-1)+(+10)=____
6.(-4)-(-4)=____
7.(+5)-(+10)=____
8.(-12)-(+7)=____
9.(+8)-(+6)=____
10.0-(-9)=____
1.(+9)+(+10)=____
2.(-7)+(-5)=____
3.(+5)+(-6)=____
4.(+2)+(+8)=____
5.(-1)+(+10)=____
6.(-4)-(-4)=____
7.(+5)-(+10)=____
8.(-12)-(+7)=____
9.(+8)-(+6)=____
10.0-(-9)=____
Answers & Comments
Answer
1. 19
2. -12
3. -1
4. 10
5. 9
6. 0
7. -5
8. -19
9. 2
10. 9
I hope it helps.
Answer:
1.19
2.12
3.1
4.10
5.9
6.0
7.-5
8.-19
9.2
10.9