Răspuns :

Salut!

e:6=19/x19

e=114

d=114:6

d=9

c=9+13

c=22

b=22x9

b=198

a+198=300

a=300-198

a=102

Sper ca te-am ajutat!

#copaceibrainly

E:6=19=> E=19 x 6=> E=114

D=114:6 => D=9

C=19+13 => C=32

B=9c => B=9x32 => B=288

A+288=300
A=12