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Title of the news

數學流言:6÷2(2+1)

Link to the news

https://www.facebook.com/photo.php?fbid=507177396030864&set=a.181452198603387.45554.149762918438982&type=1&ref=nf

Source of the problem

答案是9,由於先乘除後加減中,乘除優先順序相等,於是應該由左至右計算:6÷2×(2+1), 六除二先算=3×(2+1), 遇到右邊遇到括弧先算=3×3=9

Link to fact-checks

https://www.google.com/search?newwindow=1&q=6%2F2%281%2B2%29&oq=6%2F2%281%2B2%29&gs_l=serp.12...0.0.0.18209.0.0.0.0.0.0.0.0..0.0....0...1c..25.serp..0.0.0.6e_Prt5cpUo

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Detailed edit history

Timestamp Edited by previous value updated value
2013-08-22T00:46:29+08:00 IP: 118.161.27.35
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id
76
created at