(9-2 2/3•2 1/7)•21/46

Question

(9-2 2/3•2 1/7)•21/46

Answer 1

1) 2 2/3 • 2 1/7 = 8/3 • 15/7 = 40/7 = 5 5/7
2) 9 - 5 5/7 = 3 2/7
3) 3 2/7 • 21/46 = 23/7 • 21/46 = 21/14 = 3/2 = 1,5
Ответ 1,5