(请说明你为什么选择这答案)1.|√6-3|+|2-√6|的值为()A.5 B.5-2√6 C.1 D.2√6-12.估算√19+2的值是在()A.5和6之间 B.6和7之间 C.7和8之间 D.8和9之间3.设a是9的平方根,b=(√3)²,则a与b的大小关系
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![(请说明你为什么选择这答案)1.|√6-3|+|2-√6|的值为()A.5 B.5-2√6 C.1 D.2√6-12.估算√19+2的值是在()A.5和6之间 B.6和7之间 C.7和8之间 D.8和9之间3.设a是9的平方根,b=(√3)²,则a与b的大小关系](/uploads/image/z/14324421-21-1.jpg?t=%28%E8%AF%B7%E8%AF%B4%E6%98%8E%E4%BD%A0%E4%B8%BA%E4%BB%80%E4%B9%88%E9%80%89%E6%8B%A9%E8%BF%99%E7%AD%94%E6%A1%88%EF%BC%891.%7C%E2%88%9A6-3%7C%2B%7C2-%E2%88%9A6%7C%E7%9A%84%E5%80%BC%E4%B8%BA%EF%BC%88%EF%BC%89A.5+B.5-2%E2%88%9A6+C.1+D.2%E2%88%9A6-12.%E4%BC%B0%E7%AE%97%E2%88%9A19%2B2%E7%9A%84%E5%80%BC%E6%98%AF%E5%9C%A8%EF%BC%88%EF%BC%89A.5%E5%92%8C6%E4%B9%8B%E9%97%B4+B.6%E5%92%8C7%E4%B9%8B%E9%97%B4+C.7%E5%92%8C8%E4%B9%8B%E9%97%B4+D.8%E5%92%8C9%E4%B9%8B%E9%97%B43.%E8%AE%BEa%E6%98%AF9%E7%9A%84%E5%B9%B3%E6%96%B9%E6%A0%B9%2Cb%3D%28%E2%88%9A3%29%26%23178%3B%2C%E5%88%99a%E4%B8%8Eb%E7%9A%84%E5%A4%A7%E5%B0%8F%E5%85%B3%E7%B3%BB)
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