(-4,5)*5 1/3+(5,5)*5 1/3 Помогите плиз!!!

Question

(-4,5)*5 1/3+(5,5)*5 1/3 Помогите плиз!!!

Answer 1

(-4,5)•5 1/3+(5,5)•5 1/3 = 5 1/3•(-4,5+5,5) = 5 1/3 • 1 = 5 1/3