Doporučení iOS aplikace Flash mental calculation 2.6

Na serveru Stahuj.cz je zajímavá iOS aplikace:

Flash mental calculation 2.6

This app that you can practice flash mental arithmetic. You can review the calculation process by tapping the confirmation button after calculation. In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later. The past logs are saved for…

Adresa: https://www.stahuj.cz/vzdelavani/flash-mental-calculation/