Question

1 3 5 7 9 11 13 15 =30
to use 9(_+_+_+_+_+_+_+_+_+_=30) digit place and to total sub of all 9 digit is 30, any number are taken any times no fix to use all number.

Answer 1

As far as all of those questions go, it is possible by adding either factiorial numbers
(like this: 3! = 1 x 2 x 3 = 6) or by using negative numbers as nobody really says that those numbers have to be Natural. 

Answer 2

Answer:

As far as all of those questions go, it is possible by adding either factiorial numbers

(like this: 3! = 1 x 2 x 3 = 6) or by using negative numbers as nobody really says that those numbers have to be Natural.