Add Yahoo as a preferred source to see more of our stories on Google. 7x7=49 / 7x7 meme explained. Every so often a math equation becomes a meme, but things are different this time, as women find ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Math comes naturally to some, but even simple equations remain baffling brainteasers to others. These ...