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aflati suma:
a+b+c+d
a=b/5
b=c+175
d=4*c
c+d=135


Răspuns :

d=4c  => c+4c=135  => 5c=135  =>c=27
=>d =4*27=108
b=27+175=202
a=b/5=40,4
d=4c  => c+4c=135  => 5c=135  =>c=27
=>d =4*27=108
b=27+175=202
a=b/5=40,4