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Aflati numerele a,b,c,stiind ca a+b=c;a-b=b si b+c=32


Răspuns :

a -b = b
a = 2b

c = a + b = 2b + b = 3b
b + 3b = 32
4b = 32
b = 32:4 = 8
a = 2b = 16
c = 3b = 24
c= a+b = 2b+b = 3b
b+3b=32
4b=32
b=32:4
b=8

8+c=32
c=32-8
c=24

a+8=24
a=24-8
a=16

Coroana? :)