Выполните действия : (9-2 2/3 ×2 1/7 ) × 21/46

Question

Выполните действия : (9-2 2/3 ×2 1/7 ) × 21/46

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Answer 1

(9 - 2(2/3)*2(1/7))*(21/46)=(9-(8/3)*(15/7))*(21/46)=(9-(40/7))*(21/46)=(((63-40)/63))*(21/46)=(23/7)*(21/46)=3/2=1,5