Sign in
Michael s
more_vert
Main menu options
Reviews and other content aren't verified by Google
Given me nightmares. Those records are so dangerous!
Guinness World Records
Review
·
4y
more_vert
More options
Needs a makeover. Too easy. Too boring. also the "explain" is too deep for easy problems. Time waster
Math Makes Sense 6
2 likes
Review
·
4y
more_vert
More options
