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["9年级 "]
["班级","刘奕","肖娴静","昝志颖","雷飞扬","卢刘泽兮","孟英","平均分"]
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[4,54,null,54,49,null,46,50.75]
[5,null,59,59,59,null,56.5,58.375]
[6,null,60,59,60,58,null,59.25]
[7,57,null,58,57,null,50.5,55.625]
[8,null,60,60,59,59,null,59.5]
[9,55,null,58,58,59,null,57.5]
[10,55,null,59,58,59,null,57.75]
[11,57,null,58,58,57,null,57.5]
[12,54,null,56,58,58,null,56.5]
[13,53,null,57,56,57,null,55.75]
[14,null,60,60,60,60,null,60]
[15,58,null,58,58,59,null,58.25]
[16,null,55,55,53,54,null,54.25]
[17,null,59,58,59,59,null,58.75]
[18,null,60,59,58,59,null,59]
[19,null,56,56,54,55,null,55.25]
[20,58,58,58,null,59,null,58.25]
[21,59,null,59,57,60,null,58.75]
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