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
D=114:6 => D=9
C=19+13 => C=32
B=9c => B=9x32 => B=288
A+288=300
A=12