br+bv+ba=145 b br) |___|___|+9
br=ba+bv+9 bv)|___|+1
ba=bv-2 ba)|___|-1
---------------------- ---------------------------
br=?;bv=?; ba=?
145-9=136
136:4=34
bv=34+1
bv=35
ba=bv-1
ba=34-1
ba=33
br=35+33+9
br=77
br +bv+ ba=145 b
77+35+33 =145 b
br=bv+ba+9
br=35+33+9
br=68+9 ..........mai multe cu 9 decat bv+ba
ba=bv-2
bv=35-33........ba mai putine cu 2 decat bv