-3 + (-8)

(a)  

8 + 3

(a)  

8 + (-3)

(a)  

6 + (-6)

(a)  

3 - 8

(a)  

-8 - 8

(a)  

-3 - (-6)

(a)  

2-1

(a)  

1-2

(a)  

3(2)

(a)  

2(-6)

(a)  

(-3)(-3)

(a)  

(a)  

 $-8\div2$  

(a)  

 $-16\div\left(-4\right)$  

(a)  

 $3+\left(2\right)\left(2\right)$  

(a)  

 $8\div\left(-4+2\right)$  

(a)  

 $6+8\left(2\right)-16+\left(-6\right)$  

(a)  

 $3-5-4+\left(2+3\right)+2\left(3\right)-4$  

(a)