Respuestas

2014-01-27T00:05:36+01:00
4((-7)+2) 13+(-4(-2)+8)x(-1)
4(-7+2) 13+ (8+8)x(-1)
4(-5)13+(16)x(-1)
(-20)13-16
-260-16= -276
4{4((-7)+2) 13+(-4(-2)+8)x(-1)
4(-7+2) 13+ (8+8)x(-1)
4(-5)13+(16)x(-1)
(-20)13-16
-260-16= -276