Hi! Say i have array of 5 numbers (a,b,c,d,e). (repetition allowed) 
I want sums of all possible 4 elements; 
a+b+c+d
a+b+c+e
a+b+d+e
...
...

all possible 3 elements ;
a+b+c
a+b+d
a+b+e
..
..
all possible 3 elements...
all possible 2 elements

[download]
Is there a simple way to do this?

In reply to Sum of N elements in an M element array by abhay180

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