Puzzle

[sinjun]

Supply the missing number.


A B_ C_ D 16
A B_ C_ A 10
A B_ D_ B 14
B C_ C_ D 20
6 14 22 ?


Comments

[insaint.livejournal.com]

*snickers* Math is fun!

(Except finance.)

[damara.livejournal.com]

Bah humbug!

[insaint.livejournal.com]

*snugs*