CM may

 $5^3-10^2=$  

(a)  

 $\sqrt{49\ }-\sqrt{64}=$  

(a)  

 $6^2+8^2-5^2=$  

(a)  

 $\sqrt{81}+\sqrt{36}=$  

(a)  

 $72\div12-10=$  

(a)  

 $87+23-10^2=$  

(a)  

 $796-548=$  

(a)  

 $3^2+5^2-1^2=$  

(a)  

 $1000-299=$  

(a)  

 $54\left(-3\right)+7\left(6\right)=$  

(a)