Question

como resuelvo 5-2+4-5+2-[-2+4-5+6-1+3-4+2]

Answer 1

$agrupa\:signos\:iguales\\(4+5+2)+(-2-5)-(\:(4+6+3+2)+(-2-5-1-4)\:)\\11+(-7)-(\:(15)+(-12)\:)\\4-(3)\\4-3\\1$