1:
a: \(=\dfrac{-5}{12}\left(\dfrac{2}{11}\right)+\dfrac{-5}{12}\cdot\dfrac{9}{11}+\dfrac{5}{12}\)
=-5/12(2/11+9/11)+5/12
=-5/12+5/12
=0
b: \(=0.75-\dfrac{7}{3}-0.75+9\cdot\dfrac{-1}{9}\)
=-7/3-1
=-10/3
c: =-12,5-3,5+17,55+2,45
=20-16
=4
d: =3,58(24,45+75,55)
=3,58*100
=358