According to this NHK medical frontiers show [0][1], Japanese researchers demonstrate that doing daily basic math exercises and reading aloud is good for the br

According to this NHK medical frontiers show [0][1], Japanese researchers demonstrate that doing daily basic math exercises and reading aloud is good for the brain. So I built a basic math exercise generator app [2]. [0] https://www3.nhk.or.jp/nhkworld/en/tv/medicalfrontiers/20170905/2050039/ https://www3.nhk.or.jp/nhkworld/en/tv/medicalfrontiers/20170... [1] https://www.youtube.com/watch?v=qr-5urj2WKY https://www.youtube.com/watch?v=qr-5urj2WKY [2] https://play.google.com/store/apps/details?id=com.brainmath https://play.google.com/store/apps/details?id=com.brainmath