в) (1 1/2)³ ∙ (1 1/2) = (1 1/2)³ ∙ (1 1/2)¹ = (1 1/2)^(3+1) = (1 1/2)⁴ = (3/2)⁴ = 3⁴/2⁴ = 81/16 = 5 1/16
Ответ: 5 1/16