Question

Aflati nr naturale a,b,c dacă a•b=42;a•c=70;b•c=60

Answer 1

a•b=42 => 7•b=42=>b=42/7=6
a•c=70 => 7•c=70=> c= 70/10=7
b•c=60 => 6•10=60

a•c=70
b•c=60 
(imparti a•c=70 la b•c=60)
a/b=7/6 => a=7

a=7
b=6
c=10

/ - supra