普通铝锭的实际产值比计划产值增加了多少？ A. ―20%　 B. ―10% C. 80%　 D. ―80%

作者: rantiku 人气: - 评论: 0

问题

选项

答案 A

解析解题指导：实际产值减去计划产值未40000-50000=-10000，然后（-10000/50000）*100%=-20%。故答案为A。

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