简介：students＇mathematicalunderstanding,theyarenotableyettomastertothenextdegree.Thedecreasingofstudents＇MathqualitycanbeseenonthesurveydataonProgramforInternationalStudentAssessment（PISA）thatconductedeachofthreeyears.On2003,Indonesiawasinthe38^thfrom40stateswiththescore360.On2006,itwasin50thfrom57stateswiththescore391.
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