Pake cara kak jangan ngasal ya ^_^​

2 1/2 × 75% : 0,5

5/2 × 75/100 : 5/10

5/2 × 3/4 : 1/2

5/2 × 3/4 × 2/1

30/8

15/4

3 3/4

5/2 x 75/100 : 5/10

= 5/2 x 75/100 x 10/5

= 5/2 x 3/4 x 2/1

= 30/8

= 15/4

= 3 3/4