Inmultirea si impartirea numerelor intregi

 $\left(-2\right)\cdot\left(-5\right)=$  

(a)  

 $\left(-11\right)\cdot\left(+4\right)=$  

(a)  

 $-22\cdot10=$  

(a)  

 $0\cdot\left(-73\right)=$  

(a)  

 $18\cdot\left(-5\right)=$  

(a)  

 $9\cdot\left(+4\right)=$  

(a)  

 $3\cdot\left(5-8\right)=$  

(a)  

 $-3\cdot\left(-2-8\right)=$  

(a)  

 $\left(-4\right)\cdot\left(-2\right)\cdot\left(-9\right)=$  

(a)  

 $7\cdot\left(-3\right)\cdot\left(-4\right)=$  

(a)