The MIT entrance exam in 1869 had a problem about the order of operations. As these types of math questions often go viral on Facebook and Twitter with heated arguments, it would be interesting to see if students today could solve this problem.

Viral in Japan 9 - 3 ÷ (1/3) + 1 = ? The correct answer explained
https://www.youtube.com/watch?v=07Abat5iBbw

Viral problem 6 ÷ 2(1+2) = ? The correct answer explained
https://www.youtube.com/watch?v=URcUvFIUIhQ


My blog post for this video:
https://wp.me/p6aMk-5ct
Source of MIT entrance exam problem
https://libraries.mit.edu/arch....ives/exhibits/exam/a
Answer
https://libraries.mit.edu/arch....ives/exhibits/exam/a

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My Books

"The Joy of Game Theory" shows how you can use math to out-think your competition. (rated 3.8/5 stars on 27 reviews) https://www.amazon.com/gp/product/1500497444

"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) https://www.amazon.com/gp/product/1523231467/

"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. https://www.amazon.com/gp/product/1517421624/

"Math Puzzles Volume 2" is a sequel book with more great problems. (rated 5/5 stars on 3 reviews) https://www.amazon.com/gp/product/1517531624/

"Math Puzzles Volume 3" is the third in the series. (rated 3.8/5 stars on 4 reviews) https://www.amazon.com/gp/product/1517596351/

"40 Paradoxes in Logic, Probability, and Game Theory" contains thought-provoking and counter-intuitive results. (rated 4.7/5 stars on 12 reviews) https://www.amazon.com/gp/product/1517319307/

"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) https://www.amazon.com/gp/product/150779651X/

"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) https://www.amazon.com/gp/product/1500866148/