Первое-431, так как если зачеркнуть 1, то получится 43, а 431
+43
474:)
5*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*5.
Первое слагаемое 431, второе 43. Т.к.
431
+ 43
474