ល្បងប្រាជ្ញាគណិតវិទ្យា, 9 - 3 ÷ 1/3 + 1 = ?, ចម្លើយដែលត<

#គណិតវិទ្យាបឋមសិក្សា #MathPuzzle #9-3÷1/3 1=? What is 9 - 3 ÷ (1/3) 1 = ? This problem went viral in Japan after a study found 60 percent of 20...