👤

afla toate numerele a,b,c si d ,stiind ca :
a+b=300
b=c×9
c=d+13
d=e:6
e:6=19
urgent va rog frumos


Răspuns :

e=19x6=144 d=144:6=19 c=19+13=32 b=32x9=288 a=300-288=12
d=e:6
d=19

c=d+13
c=19+13
c=32

b=cx9
b=32x9
b=288

a+b=300
a=(a+b)-b
a=300-288
a=12