yarlequecastilloe yarlequecastilloe 07-04-2024 Matemáticas contestada 3) Halla "A × B", si: A = (-4)(-5)+-2+(-5)=+ B=(-15+3+5)(-2) = 4) Halla "A + B", si: A = (-2)(+3)(-4)(+1)(-4) B = [(-56)+(-7)] - [(-4)(2)]