Respostas

2013-11-26T18:34:37-02:00
50-3+(8+3)+[60-4x9+4]
50-3+11+[60-36+4]
50-3+11+28
86
2013-11-26T19:55:10-02:00
50 - 3 + ( 8 + 9 : 3 ) + ( 60 - 4 x 9 +( 8 : 2 ) )
50 - 3 + ( 8 + 3 ) + ( 60 - 36 + 4 )
47 + 11 + ( 60 - 32 )
58 + ( 28 )
58 + 28
86