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  • Utilizator Brainly
2014-06-15T15:14:09+03:00
Ab+ac=207
b+c=23

a(b+c)=207
ax23=207
a=207:23
a=9
3 5 3
2014-06-15T15:14:11+03:00
Ab+ac=207 => a(b+c)=207 => 23a =207 => a= 207 : 23 => a=9