17270 Views • Created 8 years ago By MindYourDecisions • Updated about a year ago

Created By MindYourDecisions • Updated about a year ago

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9 - 3 ÷ 1/3 + 1

Origin Entry: 9 - 3 ÷ 1/3 + 1
Description

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 rate of 90 percent in the 1980s. I explain a common mistake and how to get the correct answer by using the order of operations.

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