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dau coroana si ma abonez !!

Dau Coroana Si Ma Abonez class=

Răspuns :

a+b+c=382
a-26=x=>a=x+26
b-64=x=>b=x+64
c-58=x=>c=x+58
=>x+26+x+64+x+58=382
3x+148=382|-148
3x=234|:3
x=78
=>a=26+78=104
b=78+64=142
c=78+58=136
Probă:104+142+136=382