48xd=768
e:11=46
312:f=12


Răspuns :

d=768/48
d=16

e=46*11
e=506

f=312/12
f=26

48 x d = 768

d = 768 : 48

d = 16

____________

e : 11 = 46

e = 46 x 11

e = 506 → deimpartitul

_________________________

312 : f = 12

f = 312 : 12

f = 26

Verific: 312 : 26 = 12