Question

ex 9 va rog coroana

Answer 1

Răspuns

a) a/b = 3/7 ; b≠0 ; a < b ; a = 6 ; ⇒ 6/b = 3/7 ; b = 6x7/3 = 14 ; a+b = 6+14 = 20 ;

b) a/b = 3/7 ; b≠0 ; a < b ; b = 35 ;⇒ a/35 =3/7 ; a = 35x3/7 = 15 ; axb = 35x15 = 525 ;