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[求助]sym表达式的系数如何化为小数? |
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发表于 2006-3-6 09:14
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回复:(yqchenlolo)[求助]sym表达式的系数如何化为小...
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发表于 2006-3-6 19:13
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回复:(yqchenlolo)谢谢了,那如果好多个式子相乘,...
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