3/7*(1/4+4/9) помогите срочно

Question

3/7*(1/4+4/9) помогите срочно

Answer 1

(3//7)*(1//4+4//9)Ответ: 25//84Решаем по действиям:1//4=0.250.25+(4//9)=(25//36)(3//7)*(25//36)=(25//84)Решаем по шагам:(3//7)*(0.25+(4//9))1//4=0.25    (3//7)*(25//36)0.25+(4//9)=(25//36)25//84(3//7)*(25//36)=(25//84)