Respuestas

2014-02-14T01:42:44+01:00
Aqui esta es 5/9

5/21 ÷ 3/7 = 5/9
5/9 x 3/7 = 5/21
  • Haiku
  • Moderador Profesor
2014-02-14T02:49:43+01:00


x * y = 5/21

x*3/7 = 5/21

x = 5/21÷3/7

x = 35/63 = 5/9

Comprobación:

5/9*3/7 = 15/63 = 5/21