Question

Rezolva urmatru exercitiu .Afla nr a daca ab+ac=520 si b+c=52 Multumesc

Answer 1

ab+ac=520
a(b+c)=520
a*52=520
a=10
b)ab-ac=45
a(b-c)=45
a*9=45
a=5
c)ab+ac+70=170
a(b+c)=100
b+c=100/25
b+c=4
d)ab-ac-48=2
a(b-c)=50
b-c=5