某年级有120名同学参加数学竞赛，其中男同学有70人，他们的平均_爱下问搜题

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问题填空题

某年级有120名同学参加数学竞赛，其中男同学有70人，他们的平均分比所有同学的平均分多1.5分，问女同学的平均分比所有同学的平均分低（）分。

答案

1.5×70÷（120﹣70）=105÷50=2.1（分）；

答：女同学的平均分比所有男同学的平均分低2.1分。

完形填空

完形填空。

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判断题

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