hasil dari(0,6:3per 4) ×3 1per2

(0,6 : 3/4) × 3 1/2
= (6/10 : 3/4) × 7/2
= (6/10 × 3/4) × 7/2
= 3/5 × 3/4 × 7/2
= 63/40
= 1 23/40

(0,6 : 3/4) × 3 1/2
= (6/10 : 3/4) × 7/2
= (6/10 × 4/3) × 7/2
= 24/30 × 7/2
= 168/60
= 42/15

semoga membantu yaa:)