Question

AYUDA POR FAVOR
CUANTO ES (-4+5).(-1)+3-21:(-7):3 [-11x(-2)-19]

Answer 1

hola..

(-4+5).(-1)+3-21:(-7):3 [-11x(-2)-19]

1x(-1)+3-2-21/(-7)/3x(22-19)

(-1)+3-2-21/(-7)/3x3

-1+3-2+3

3