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分类:
线性代数(经管类)(04184)
发表:2024年09月12日 09时09分21秒
作者:
admin
阅读:
(9)
A、无解
B、只有唯一解
C、有无穷解
D、不能确定
【正确答案】:C
【题目解析】:
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VitaminsFood contains only small quantities of vitamins, but they are vital for good health. For example, if you eat a diet of meat, bread, sugar and fat, you may become ill with a disease called scurvy (坏血病). This is caused by a deficiency (缺乏) in v
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