Tolong jawab ya makasih atas bantuannya

0.5 getaran = 1/2 getaran =
a – b – c

1.25 getaran = 5/4 getaran =
a – b – c – b – a – b

2.5 getaran = 5/2 getaran =
a – b – c – b – a – b – c – b – a – b

semoga membantu ya ^_^