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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Definetely. Without it kata is useless
when saying test all digits, i meant replace the question marks with all 0 to 9 digits and check if the result of the operation would equal the result
Dude you can check my solution...
yeah, because 2??1+1=2??2 isn't 0. besides, aparently, you haven't even solved it.
Could you please update so we could use React.createRef?
Not sure this should be 4 kyu, you just need to test all 0-9 digits(1-9 if ?? is present), except for the ones that are already present in the expression, seen much harder 5 kyu ones.
Yes, that's stated in the details of the kata.
Comments are being recognized as the / operator making tests fail on "Don't use arithmetic operators" when comments are present