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82问答网 > 星晨小学准备印一些宣传资料.到两家印刷厂联系的情况为;A印刷厂:每份0.8元收600元制版费。B印

星晨小学准备印一些宣传资料.到两家印刷厂联系的情况为;A印刷厂:每份0.8元收600元制版费。B印

2025-03-15 06:07:02

推荐回答（4个）

回答1：

你这是在做题吗？答案为1500份，详解见下：设印刷数量为x,则有0.8x+600=1.2x,
解得0.4x=600
即 x=1500

回答2：

设学校准备印x份宣传资料

0.8x+600=1.2x

0.8x+600-0.8x=1.2x-0.8x

0.4x=600

0.4x÷0.4=600÷0.4

x=1500

答：学校准备印1500份宣传资料

回答3：

解：设学校准备印x份宣传资料
0.8x+600=1.2x
0.8x+600-0.8x=1.2x-0.8x
0.4x=600
x=1500
答：学校准备印1500份宣传资料。

回答4：

0.8x+600=1.2x
1.2x-0.8x=600
0.4x=600
0.4x÷0.4=600÷0.4
x=1500

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