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Andutu2007
a fost răspuns

afla cat fac.a*b+a*c daca.a+b+c=251.a=115*7-6*(2543-2423)-38*2=

Răspuns :

Gabrielabeberechi
a=805-6*120-76
a=805-720-76
a=9
9+(b+c)=251
b+c=251-9
b+c=242
a*b+a*c=a(b+c)=9*242=2178

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