Question

1/2 * 2/3 * 3/4 * 4/5 * 5/6 * 6/7 =?

1/7 * 2/7 * 3/7 * 4/7 * 5/7 * 6/7 =?

-4/9 * 7/8 * 3/5 * (-6/7) * (-5/6) =?

Answer 1

el igual a 21/2 por dos a tu concierto