试题与答案

解方程 ①3.5ⅹ-2.7ⅹ=39.6②4x=0.82.5.

题型:解答题

题目:

解方程
①3.5ⅹ-2.7ⅹ=39.6
4
x
=
0.8
2.5

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错解析:市净率与市盈率相比,前者通常用于考察股票的内在价值,多为长期投资者所重视;后者通常用于考察股票的供求状况,更为短期投资者所关注。

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