A random generator created
an additiontable
with integers.
Some numbers are missing.
Your task is to find the missing values
and complete the table.
Click on the button
Check table
to check your results.
For each right sum you get 5 points, for each wrong
or missing sum you lose 5 points.
If the problem is solved, you can click on
Create new table
to start again.
Can you top
299 points?

