60÷5(7-5) = ? Mathematician Explains The Correct Answer



Author: MindYourDecisions

What is 60÷5(7-5) = ? Everyone is arguing about this problem, so let’s figure out the correct answer! The problem involves the order of operations, historical math notation, and binary expression trees. Glad to see the world is passionate about mathematics!

I studied Mathematics and Economics at Stanford. Press coverage of my work:

Press

*I get many, many emails about this problem and am unable to reply to them.

Here is a 1917 article from “The American Mathematical Monthly” that explains the usage of the division symbol as an exception to the order of operations
http://www.jstor.org/stable/2972726?seq=1#page_scan_tab_contents

Google evaluation
https://www.google.com/#q=60÷5%287−5%29

What is 6÷2(1+2) = ? The Correct Answer Explained

9 – 3 ÷ 1/3 + 1 = ? The Correct Answer (Viral Problem In Japan)

Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1

Playlist to watch all videos on MindYourDecisions: https://www.youtube.com/playlist?list=UUHnj59g7jezwTy5GeL8EA_g

This is the only channel to feature math topics suggested by people around the world. Support the channel on Patreon so we can share the beauty of mathematics and make the world a better place:
https://www.patreon.com/mindyourdecisions

If you buy from the links below I may receive a commission for sales. This has no effect on the price for you.

My Books
“The Joy of Game Theory” shows how you can use math to out-think your competition. (rated 3.9/5 stars on 35 reviews)
http://amzn.to/1uQvA20

“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias” is a handbook that explains the many ways we are biased about decision-making and offers techniques to make smart decisions. (rated 4.6/5 stars on 3 reviews)
http://amzn.to/1o3FaAg

“Math Puzzles Volume 1” features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.4/5 stars on 13 reviews.
http://amzn.to/1GhUUSH

“Math Puzzles Volume 2” is a sequel book with more great problems. (rated 4.5/5 stars on 6 reviews)
http://amzn.to/1NKbyCs

“Math Puzzles Volume 3” is the third in the series. (rated 4/5 stars on 6 reviews)
http://amzn.to/1NKbGlp

“40 Paradoxes in Logic, Probability, and Game Theory” contains thought-provoking and counter-intuitive results. (rated 4.4/5 stars on 13 reviews)
http://amzn.to/1LOCI4U

“The Best Mental Math Tricks” teaches how you can look like a math genius by solving problems in your head (rated 4.8/5 stars on 5 reviews)
http://amzn.to/18maAdo

“Multiply Numbers By Drawing Lines” This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. (rated 4.3/5 stars on 6 reviews)
http://amzn.to/XRm7M4

Connect with me
My Blog: https://mindyourdecisions.com/blog/
Twitter: https://twitter.com/preshtalwalkar
Facebook: https://www.facebook.com/pages/Mind-Your-Decisions/168446714965
Google+: https://plus.google.com/108336608566588374147/posts
Pinterest: https://www.pinterest.com/preshtalwalkar/
Tumblr: https://preshtalwalkar.tumblr.com/
Instagram: https://instagram.com/preshtalwalkar/
Patreon: https://www.patreon.com/mindyourdecisions

Newsletter (sent only for big news, like a new book release): http://eepurl.com/KvS0r .

Video source Youtube

Leave a Comment

five × four =