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Afla numere naturale a, b, c stiind ca sunt indelplinite simultan conditiile
a) a+b= 1002
b) a+b+c=2001
c)a=c-11


Răspuns :

a+b+c=2001
a+b=1002
c=2001-1002
c=999
a=c-11
a=999-11
a=988
988+b=1002
b=1002-988
b=14

988+14+999=2001
c=2001-1002=999,a=999-11=988,b=1002-988=14