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These patterns are real hard cant figure out last one

Just save your work and you'll be fine. You don't need to necessarily get the answer. It's more important that you try to think creatively.

Please remember to help others but don't just give them the solutions. It's a better experience if they solve things themselves.


Hint for the last one:
Look for a way to do something with each digit.

Do not spend too much time on these. They can be simple for a few, but tough for many. Just save your attempts.