Natural numbers   »      

At the start of the website a
problem with secret characters was generated.

Now you have to find out which numbers are hidden behind the characters.

Same characters stand for the same numbers!

Click on  check  to check your answer.

Click on  new  to create a new problem.

Can you top 295 points?

Add and subtract in ℕ
Hidden numbers -1-

... more than just practicing

for free education

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