答案解析

查看更多优质解析解答一举报这是同济第5版高数上的,

与6版应该一样吧hiphotos.

baidu.

com/zhidao/wh%3D600%2C800/sign=7ff0a54249540923aa3c6b78a268fd31/3b87e950352ac65ce2793d12fbf2b21193138a57.

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hiphotos.

baidu.

com/zhidao/wh%3D450%2C600/sign=a40ffc09d109b3deebeaec6cf98f40b7/3b87e950352ac65ce2793d12fbf2b21193138a57.

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