Răspuns :
(1/2 + 1/3):5/6=
Amplifici 1/2 cu 3 si 1/3 cu 2
--> (3/6 + 2/6)·6/5= 5/6·6/5=1
Amplifici 1/2 cu 3 si 1/3 cu 2
--> (3/6 + 2/6)·6/5= 5/6·6/5=1
(1/2+1/3):5/6=
=(3/6+2/6):5/6=
=5/6:5/6=
=5/6*6/5=
=30/30=1
=(3/6+2/6):5/6=
=5/6:5/6=
=5/6*6/5=
=30/30=1