Additionally, paste this code immediately after the opening tag:

Quick mental calculation

Game to enter within a certain period of time the answer of mental arithmetic calculations will appear on the ...

Free

Store review

Game to enter within a certain period of time the answer of mental arithmetic calculations will appear on the exam.
Many times in a row you can do correct?
It is a challenge to the rankings!

Size

20.9 MB

Last update

June 7, 2020

Read more