On the left page of this book you see four numbers. Use these numbers and the buttons for +, -, : and x, to make the number on the other page. If you can find the right solution, you will see for yourself why this is a magic book.

Please note:

  • You can use each of the four numbers only once, but you have to use them all.
  • The outcome of an addition, subtraction, division or multiplication can be used in the next sum. You always have to write three sums.
  • If you find a problem too hard, just try another one. Go to the next page by clicking on the corner of the page.
Helaas, Java is niet geinstalleerd of staat uit .
Get the given number in the book of magic!

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