It contains 10 riddles with logical mathematical principles that help you to pass the time in a fun way besides stimulating your neurons and it is a good training for numerical skills.It includes a qualifier of the answer you give, a pencil so you can do operations on the screen and you can erase what you have written.I hope its useful.Any comments please send an email to:
[email protected] you want more riddles, please comment in the mail.Best regards to all and thanks.
ACERTIJOS. ACTIVA TU MENTE.
