Natural numbers   »      

At the start of the website a star with natural numbers was created.

Task:

Complete the number star.
Add the four numbers and enter the result in the center of the star.

Pay attention to arithmetic advantages!


Click on  check  to check your answer.

Click on  new  to create a new problem.

Can you top 395 points?

Number star -level 1- for
addition of natural numbers

 Add and watch out for calculation advantages!

        

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