問(wèn)題已解決
老師,這道題的第一問(wèn)的答案不明白,為什么要選擇新設(shè)備
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同學(xué)您好
您可以把1350帶入兩個(gè)式子,得出數(shù)值較大的方案就是當(dāng)選的方案
2022 05/22 17:14
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2022 05/22 17:18
應(yīng)該是數(shù)值小的吧
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2022 05/22 17:20
您好
對(duì)的對(duì)的,因?yàn)檫@是成本,應(yīng)該選擇數(shù)字小的
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