halo semua assalamualaikaun wr.wb mohon bantu sy untuk mengerjakan tugas rumah sy karena bantuan anda semua sangat membantu sy *terima kasih

1.
(½)-² + (2/5)-¹ + 2-¹
= (2/1)² + (5/2)¹ + (1/2¹)
= 2² + (5/2) + (½)
= 4 + 5/2 + 1/2
= 8/2 + 5/2 + 1/2
= 14/2
= 7

2.
(3/2)-² + (2/3)² + (⅓)-¹
= (2/3)² + (2/3)² + (3/1)¹
= 4/9 + 4/9 + 3
= 4/9 + 4/9 + 27/9
= 35/9
= 3 8/9