Question

Calculați:
a) (-3-1)ori{ [ ( -3)ori 4-16]:(-2)]}ori(-2+1)

Answer 1

(-3-1) ×{ [ ( -3)× 4-16]:(-2)]}×(-2+1)=
=(-4) ×{ [ (-12-16]:(-2)]}×(-1)=
=(-4) ×{ [ (-28):(-2)]}×(-1)=
=(-4) × 14 ×(-1)= 56

Answer 2

=-4*{[-12-16]:2}*(-1)
=-4*{-28:2}*(-1)
=-4*14*(-1)
=-56*(-1)
=56