Priorité des opérations (7/8A)

6 x (5 + 8 - 9 ) x 3 =

(a)  

(3 x 2 - 6 + 10) x 5 =

(a)  

5² x 3 + 10 =

(a)  

10 + 2³ x 7 =

(a)  

 $10+8-6^2\div\left(3^2\times4\right)=$  

(a)  

 $\left(6+5-4\right)\times\left(3^2\div9\right)^2=$  

(a)  

 $8\times\left(3+9\right)\div2^2-10+6=$  

(a)  

 $\left(4^3\div\left(2+6\right)\right)\times8=$  

(a)  

 $\left(6+7\right)\times2-9+10-4=$  

(a)  

 $\left(7+4-8\right)\times\left(10\times\left(6-3\right)\right)=$  

(a)