Khan/khan-exercises — comment on commit 6d2c8a44b51b8d9ae57b45f94f29a3862cab71af
File:  line 0
By Christi:

Hmm... well, this may fix the instance of the problem, but a bug still exists in the hint code with just changing this. And, there is some educational value to having both the larger number on top and on the bottom... (since addition is commutative ;-) )