Hasil dari 4/5 : 1,2 × 9/10

(4/5 ÷ 1,2) x 9/10
= (4/5 ÷ 12/10
= (4/5 x 10/12) x 9/10
= 2/3 x 9/10
= 3/5


*** GOOD LUCK ***

Jawab:
4/5 : 1,2 × 9/10
= 4/5 : 12/10 × 9/10
= 4/5 × 10/12 × 9/10
= 360/600
= 3/5

Semoga bisa membantu...