若矩形的边长为a,宽为b,则其对角线c的长为()。

A .https://assets.asklib.com/images/image2/2017061609291019484.jpg B .https://assets.asklib.com/images/image2/2017061609291363554.jpg C .https://assets.asklib.com/images/image2/2017061609291645189.jpg D .https://assets.asklib.com/images/image2/2017061609291970686.jpg

时间:2022-11-10 10:39:06 所属题库:初级仪表工题库

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