发布时间:2025-02-06 23:41:52
解:设1吨白灰块x元钱,
15%×234+85%x=295.1
0.15×234+0.85x=295.1
35.1+0.85x=295.1
0.85x=295.1-35.1
0.85x=260
x=260÷0.85
x≈305.88
答:1吨白灰块305.88元钱。
win10 64位系统笔记本装哪个版本的cad和天正软件能用
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