Raspuns : x=409 , z=722 , y=803 , m=6
d : i = c r => d=i x c + r
x : 5 = 81 , rest 4
x=5 x 81 + 4
x=405 + 4 => x=409
z : 7 = 103 , rest 1
z= 7 x 103 + 1
z=721 + 1 => z=722
y : 4 = 200 , rest 3
y = 4 x 200 + 3
y=800 + 3 => y=803
m : 8 = 0 , rest 6
m= 8 x 0 + 6
m=0+6 => m=6