Răspuns :
a+B+c=9524
a+B=7005
B+c=5328
7005+c=9524
c=9524-7005
C=2519
B+c=5328
B+2519=5328
B=5328-2519
B=2809
A+B=7005
A+2809=7005
a=7005-2809
A=4196
a+B=7005
B+c=5328
7005+c=9524
c=9524-7005
C=2519
B+c=5328
B+2519=5328
B=5328-2519
B=2809
A+B=7005
A+2809=7005
a=7005-2809
A=4196
a+2b+c= 7005+5328
a+2b+c= 12333
(a+2b+c)-(a+b+c)= 12333-9524
(a+2b+c)-(a+b+c)= 2809
b= 2809
a+b= 7005
a+2809=7005
a= 7005-2809
a= 4196
b+c=5328
2809+c=5328
c=5328-2809
c=2519
Sper că te-am ajutat!