Integer Operations G7

-13 + 15

(a)  

-23 + 10

(a)  

10 + (-44)

(a)  

20 + (-9)

(a)  

 $20-\left(-11\right)$  

(a)  

 $10-\left(-45\right)$  

(a)  

 $20-\left(-5\right)$  

(a)  

 $-17-\left(-5\right)$  

(a)  

 $-7-\left(-15\right)$  

(a)  

 $-17-15$  

(a)