Natural numbers   »      

With the page start a subtraction wall was created.
Your task is
to complete the wall.

The value of a missing brick is the difference
- from left to right -
of the two bricks that lie above it.

Click on  check  to check your answer.

Click on  new  to create a new problem.

Can you top 299 points?

Subtract natural numbers
Wall of numbers -expert-

Complete the missing numbers!
 -  - 
 - pfeilunt

... more than just practicing

for free education

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