Question

_+_+_+_+_=30 fill the blank to use (1,3,5,7,9,11,13,15) you can repeat numbers

Answer 1

3!+1+3+13+7=30 Where 
3!=3*2*1=6

or 3!+13+1+9+1 =30

or 3!+5+9+9+1=30