You will calculate faster and better after playing it, but above all, you will understand that mathematics can be fun, joyful and competitive.
https://kool.eraharidus.ee/wp-content/uploads/2015/11/screen568x5681.jpeg568320eduadminhttp://kool.eraharidus.ee/wp-content/uploads/2015/09/logo.pngeduadmin2015-11-08 22:01:022015-11-08 22:01:02Развить свой мозг до приличного!