Răspuns :
a+b+c=49
a=b-9
c+5
----------------
a+b+c=?
a !--! '
b !----!+9. ' 49
c !------!+5. '
49-14=35 (3 segment)
35:7=5 (1 segment)
a=5, b=14, c=10
a=b-9
c+5
----------------
a+b+c=?
a !--! '
b !----!+9. ' 49
c !------!+5. '
49-14=35 (3 segment)
35:7=5 (1 segment)
a=5, b=14, c=10