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Afla a,b,c tinand cont de relatiile

a+b+c=978.512
a+b=634.512
b+c=516.514


Răspuns :

A= 978512-516514
A= 461998
C=978512-634512
C=344000
B=634512-461998
B= 172514

a=978,512-634512
a=344
c=978,512-516,514
c=461,998
a+c=344+461,998
a+c=805,998
b=978,512-805,998
b=172,514
a+b+c=344+461,998+172,514=978,512