Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
sum (sum (sum (sum ((4+i+j+k+l)/(8+4+i+j+k+l)
sum (sum (sum (sum ((4+i+j+k+l)/(8+4+i+j+k+l)
Natural Language
Math Input
Extended Keyboard