👤
Lol116
a fost răspuns

Daca 3a+2b+4c=494 si b+2c=160,calculati a si ab+2ac

Răspuns :

XPopy
3a+2b+4c=494
3a+2(b+2c)=494
3a+2x160=494
3a=494-320
a=174:3=58
ab+2ac=
a(b+2c)=58x160=9280

Alte intrebari