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[null,"四级各班群号"]
[null,"班别","群号"]
[null,"1班",263561941,null,"1、参加本次辅导课的同学必须加群。"]
[null,"2班",523815696,null,"2、找到自己的班级并加入相应班级群，不得乱加，加群时需注明“学号+姓名”"]
[null,"3班",203717933]
[null,"4班",202351161]
[null,"5班",333977216]
[null,"6班",533687670]
[null,"7班",216231663]
[null,"8班",187302107]
[null,"9班",530417312]
[null,"10班",210575481]
[null,"11班",206663417]
[null,"12班",524559218]

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