2018_2019学年九年级数学上册第22章二次函数22.3实际问题与二次函数第2课时二次函数与最大利润问题课件(新版)新人教版.ppt

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2018_2019学年九年级数学上册第22章二次函数22.3实际问题与二次函数第2课时二次函数与最大利润问题课件(新版)新人教版.ppt_第1页
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第二十二章 二次函数,知 识 管 理,学 习 指 南,归 类 探 究,当 堂 测 评,分 层 作 业,22.3 实际问题与二次函数,第2课时 二次函数与最大利润问题,学 习 指 南,知 识 管 理,归 类 探 究,当售价定为35元/件时,销售数量为,20,300件,y20x1 000,30x50,当 堂 测 评,1,45,分 层 作 业,

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