Question

-1 - (-2) - ((-2) + (-1))

Answer 1

Respuesta:

4

Explicación paso a paso:

$-1-\left(-2\right)-\left(\left(-2\right)+\left(-1\right)\right)\\\\\left(-2\right)+\left(-1\right)\\\\=\left(-2\right)-1\\\\=-3\\\\=-1-\left(-2\right)-\left(-3\right)\\\\=-1+2-\left(-3\right)\\\\=1-\left(-3\right)\\\\=1+3\\\\=4$