Question

4-{-11+[(8-2+4-7)-(-12-9)]}+2 ayudaaa​

Answer 1

Respuesta:

4-{-11+[(8-2+4-7)-(-12-9)]}+2

$=4+11+8-2+4-7-\left(-12-9\right)+2\\\\=4+11+8-2+4-7+21+2\\\\=41$