5 per 3 : 5 per 2 - 3 per 5 x 9 per 7,bagaimana caranya?

5/3 ÷ 5/2 - 3/5 x 9/7
= 10/15 - 3/5 x 9/7
= 10/15 - 9/15 x 9/7
= 1/15 x 9/7
= 9/105

5/3 : 5/2 - 3/5 × 9/7=5/3×2/5-27/35=10/15-27/35=70/105-81/105
= -11/105



Maaf kalo salah