Question

Вычислите:
1 2/9 * 1 2/11 * 1 2/13 * 1 2/15 * 1 2/17 * 1 2/19

Answer 1

1_2/9 * 1_2/11 * 1_2/13 * 1_2/15 * 1_2/17 * 1_2/19=
= 11/9 * 13/11 * 15/13 * 17/15 * 19/17 * 21/19 = $\frac{11*13*15*17*19*21}{9*11*13*15*17*19} = \frac{21}{9} =2 \frac{3}{9}=2 \frac{1}{3}$