分式(e²+1/e)²-(e²-1/e)²怎么解
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 03:23:43
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分式(e²+1/e)²-(e²-1/e)²怎么解
分式(e²+1/e)²-(e²-1/e)²怎么解
分式(e²+1/e)²-(e²-1/e)²怎么解
(e²+1/e)²-(e²-1/e)²
=(e²+1/e+(e²-1/e))*(e²+1/e-(e²-1/e))
=2*e² *2/e
=4e