This survey selected 450 students and 50 mathematics teachers from grade 4 to grade 6 of three primary schools in Jinzhou City, Liaoning Province<BR>They were the subjects of the survey. Among them, 450 questionnaires were distributed and 426 valid questionnaires were collected, with an effective rate of 94.67%. teach<BR>A total of 50 questionnaires were distributed and 48 valid questionnaires were collected, with an effective rate of 96%.<BR>
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