Question

Fluture+floare=9 ,cat e = fluture?;vrabie-floare=6 ,cat e = floare?;vrabie-fluture=fluture,cat e =vrabie?;fluture+soarece=vrabie,cat e =vrabie?.

Answer 1

vrabia=2 fluturi
fluture=6
vrabia=12
floarea=3
soarece=6

Answer 2

fluture+floare=9     fluture=5.....floare=4
  5+4=9
vrabie-floare=6     vrabie=10....fluture=4
   10-4=6
vrabie-fluture=5     vrabie=10.... fluture=5
    10-5=5
fluture+soarece=10    fluture=5....soarece=5
    5+5=10