Răspuns :
fie a,b numerele
⇒a/7=b/9⇔a+b/7+9=64/16=4
⇔a=7x4=28
b=9x4=36
verificare:28+36=64
raspuns:28,36
⇒a/7=b/9⇔a+b/7+9=64/16=4
⇔a=7x4=28
b=9x4=36
verificare:28+36=64
raspuns:28,36