Respuestas

2012-09-14T01:37:58+02:00

30-4x3+6-2+8x4

=30-12+4+32

=18+36

=54

saludos

 

2012-09-14T01:42:19+02:00

es  facil

30-4=26

26x3=78

78+6=84

84-2=82

82+8=90

90x4=360