7 kyu
Replace all items
3,725wichu
Completed Languages:
8 kyu
Opposite number
356,515sergioet
Completed Languages:
6 kyu
Rectangle into Squares
33,170g964
Completed Languages:
8 kyu
Convert number to reversed array of digits
194,126emporio
Completed Languages:
6 kyu
Good vs Evil
27,356Frzy
Completed Languages:
8 kyu
Multiply
5,541,569
Completed Languages: