(0,35:4,9)*0,2= Помогите

Question

(0,35:4,9)*0,2=
Помогите

Answer 1

(35/100) / (49/10) *2/10= (35*10)/(49*100) *(2/10)=35/ (49*10) *(2/10)=(35*2)/(49*10*10)=(7*2)/(49*2*10)=7/(49*10)=7/490