Respuestas

2013-04-02T16:17:07+02:00

- 42

(42/2 =  21                  42/3= 14                           42/7= 6  )

 

 

- 84

(84/2= 42               84/3= 28                            84/7=  12 )

 

 

-126

(126/2= 63                        126/3=  42                       126/7= 18 )

 

 

-168

(168/2= 84                          168/3=  56                          168/7=  24)

2013-04-02T18:05:46+02:00

2: 2,4,6,8

3:3,6,9,12

7:14,21,28,35