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Tiếp tục ở Chathttps://www.telegraph.co.uk/education/maths-reform/9115665/Numeracy-Campaign-17m-adults-struggle-with-primary-school-maths.html
https://www.telegraph.co.uk/education/maths-reform/9115665/Numeracy-Campaign-17m-adults-struggle-with-primary-school-maths.html