(8,34+6 целых 7/25) × ( 13-8 целых 1/2) : 9 = ?

Question

(8,34+6 целых 7/25) × ( 13-8 целых 1/2) : 9 = ?

Answer 1

=(417/50+42/25)×(13-4)÷9 = 501/50×9÷9 = 501/50 (=10 целых 1/50; =10.02)