Question

1 9/16*3 1/5+1 2/3-9:2 2/5=
Решите пример

Answer 1

1 9/16 × 3 1/5 + 1 2/3 - 9 ÷ 2 2/5

1 9/16 = 25/16

3 1/5 = 16/5

25/16 × 16/5 = 5

9 ÷ 2 2/5 = 9 ÷ 12/5 = 45/12

5 + 1 2/3 - 45/12 = 6 8/12 - 45/12 = 6 8/12 - 3 9/12 = 5 20/12 - 3 9/12 = 2 11/12

Ответ: 2 11/12.