$\left(-5\right)+2=$  

(a)  

 $\left(-8\right)-\left(-4\right)=$  

(a)  

 $6-9=$  

(a)  

 $42:\left(-7\right)=$  

(a)  

 $\left(-6\right)+\left(-5\right)=$  

(a)  

 $\left(-8\right)\cdot6=$  

(a)  

 $4-\left(-5\right)=$  

(a)  

 $\left(-15\right):\left(-3\right)=$  

(a)  

 $8\cdot\left(-9\right)=$  

(a)  

 $\left(-3\right)+2+\left(-4\right)+7=$  

(a)  

 $5-9-4+3=$  

(a)  

 $-6+2-\left(-5\right)-3=$  

(a)  

 $4\cdot\left(-2\right)+5=$  

(a)  

 $-3-5\cdot\left(-2\right)=$  

(a)  

 $5\cdot\left(-4\right):2\cdot\left(-3\right)\cdot\left(-1\right)=$  

(a)