作业帮no key cancellation是什么意思polynormial are are expanded unless no key cancellation can occur这里的expand 应该是展开,那么key cancellation呢?我觉得意思是（结合上下文）多项式被展开,直到没有什么关键的?这是
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no key cancellation是什么意思polynormial are are expanded unless no key cancellation can occur这里的expand 应该是展开,那么key cancellation呢?我觉得意思是（结合上下文）多项式被展开,直到没有什么关键的?这是
no key cancellation是什么意思
polynormial are are expanded unless no key cancellation can occur
这里的expand 应该是展开,那么key cancellation呢?
我觉得意思是（结合上下文）多项式被展开,直到没有什么关键的?
这是数学上关于多项式化简后计算机怎么处理,是否化简的问题
hpmv 这里的“key”是什么意思
你的意思 key cancellation应该是公因式吧
no key cancellation是什么意思polynormial are are expanded unless no key cancellation can occur这里的expand 应该是展开,那么key cancellation呢?我觉得意思是（结合上下文）多项式被展开,直到没有什么关键的?这是
i think it probably means that if you have a polynomial,you normally expand it,unless you can make significantly simple cancellations.for example:
the polynomial (x-3)^6 / (x-3)^4 would undergo a "key cancellation" towards (x-3)^2,before it would be expanded.
In contrast,the polynomial (x^2-3)^2 cannot really be simplified before expanding,so this polynomial would be simply expanded.