(1) -11+2-(-3)*11=-11+2+3*11
=-11+2+33
=26
(2) 48/[(-8) -(-4)]=48/(-8+4)
=48/(-4)
=-12
(3) (-1)*(-5)/[(-9)+2*(-5)]=5/(-9-10)
=5/-19
=-5/19
(1) -11+2-(-3)*11=-11+2+3*11
=-11+2+33
=26
(2) 48/[(-8) -(-4)]=48/(-8+4)
=48/(-4)
=-12
(3) (-1)*(-5)/[(-9)+2*(-5)]=5/(-9-10)
=5/-19
=-5/19