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a-b-c=8.014. a=10.001. b-c=987. b,c=?

Răspuns :

a-b-c=10.001-b-c=8014
-b-c=8014-10.001
b+c=1987
(b+c)+(b-c)=1987+987
2b=2974
b=1487
c=500