What is 6÷2(1+2) = ? This problem went viral and generated millions of comments on Facebook, Twitter, YouTube and social media sites. I explain how to get the correct answer by using the modern interpretation of the order of operations. I also explain how you would get a different answer under historical usage of the division symbol.

*I get many, many emails about this problem. Before you send an email, check out my blog post or in the links provided below which address every concern I have received so far. If you write to me about this be advised I probably will not respond.

Blog (text explanation): http://wp.me/p6aMk-4OV

Slate explains the history of the division symbol

http://www.slate.com/articles/health_and_science/science/2013/03/facebook_math_problem_why_pemdas_doesn_t_always_give_a_clear_answer.html

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=6%C3%B72(1%2B2)

WolframAlpha evaluation

http://www.wolframalpha.com/input/?i=6%C3%B72(1%2B2)

If you like my videos, you can support me at Patreon:

https://www.patreon.com/mindyourdecisions

Connect on social media. I update each site when I have a new video or blog post, so you can follow me on whichever method is most convenient for you.

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 about 2 times a year): http://eepurl.com/KvS0r

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 3.8/5 stars on 31 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 5/5 stars on 2 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 5/5 stars on 3 reviews)

http://amzn.to/1NKbyCs

"Math Puzzles Volume 3" is the third in the series. (rated 3.8/5 stars on 4 reviews)

http://amzn.to/1NKbGlp

"40 Paradoxes in Logic, Probability, and Game Theory" contains thought-provoking and counter-intuitive results. (rated 4.3/5 stars on 12 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 4.7/5 stars on 4 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 5/5 stars on 3 reviews)

http://amzn.to/XRm7M4

Loading...

9 Trickiest Riddles Ever With Answers

9 Trickiest Riddles Ever With Answers. These are 9 Trickiest Riddles Ever With Answers. Please try these 9 Trickiest Riddles Ever With Answers.

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

What is 9 - 3 ÷ 1/3 + 1 = ? This problem went viral in Japan after a study found 60 percent of 20 somethings could get the correct answer, down from a...

12 Smart Psychological Tips You'd Better Learn

How to make people like you? Bright Side is sharing 12 tips that will work every time and can help you out in any situation and help you win another p...

Genius IQ Test: 12 Questions

IQ Test for Genius This video presents a short IQ test for kids and adults. You'll be provided with 12 questions covering grammar, patterns and mathe...

Scientists Discovered A Skin-Crawling Secret That This Strange Island Had Concealed For 80 Years

Source: SCRibol.com To the unassuming traveler, the Lord Howe Island Group probably looks like a tropical paradise. And while it’s true that the lush...

Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained

This problem has been shared millions of times on Twitter/Facebook with the claim "99% fail" to solve it and that only a genius could find the correct...