Question

01.Calcule
$3 { }^{ - 1} + \frac{3}{2} { }^{ - 1}$
$2 {}^{ - 1} + 2 {}^{0}$

Answer 1

            3⁻¹  + (3/2)⁻¹ =
          1/3  +  2/3 =   3/3 = 1

       2⁻¹  + 2⁰ =   1/2 + 1 = 3/2