2,5 ÷ 1/4 - 7/5 × 20%

25/10:1/4-7/5x20/100
=25/10x4/1-7/5x20/100
=100/10-140/500
=150/500-140/500
=10/500
Semoga membantu^_^

25/10 : 1/4 - 7/5 x 20/100
5/2 : 1/4 - 7 x 1/25
5/2 x 4 - 7 x 1/25
5 x 2 - 7 x 1/25
10 - 7/25
= 9,72