6.386 - 4.225 + 6.119 = ...

(a)  

7.600 - (4.357+2.155) +1.250 = (a)  

445 x 126 : 35 = ...

(a)  

855x 25 : 125 = ...

(a)  

1.250 + 200 : 4 - 500 = ...

(a)  

1.250 x4 : 5 = ...

(a)  

13 x 5 + (25 : 5) = ...

(a)