对于实数p,我们规定:用
表示不小于p的最小整数,例如:
.现对72进行如下操作:72![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d76a87364deddbade8c3b56b205fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9623df951c39a5f431922a286687e3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58e5852a42604ea68e9ee0f45b12888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f3f9938f0f509a18ad16ee4b5db13c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea89728915f6ea6166254a3021b3b9d8.png)
,即对72只需进行3次换作后变为2,类似的,对120只需进行( )次操作后变为2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df606c60dd00aba2c103361f79ceaec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00939fc9ff7330cb67e1bb5fe37824ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d76a87364deddbade8c3b56b205fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9623df951c39a5f431922a286687e3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58e5852a42604ea68e9ee0f45b12888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f3f9938f0f509a18ad16ee4b5db13c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea89728915f6ea6166254a3021b3b9d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00939fc9ff7330cb67e1bb5fe37824ae.png)
A.1 | B.2 | C.3 | D.4 |
更新时间:2024-05-23 17:25:25
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【推荐1】下列关于
的表述错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
A.它是最简二次根式 | B.它是无理数 | C.它就是![]() | D.它大于5 |
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【推荐2】估计
的值在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758509a56d12aae3295cf96877db55dd.png)
A.3和4之间 | B.4和5之间 | C.5和6之间 | D.6和7之间 |
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【推荐1】将正实数
的整数部分记为
,例如:
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0306c8a9b082d56b04c967093ddf256a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0401b9187f94db7cacbea005d065b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71d93446d1d3394fb4103c7578aad4f.png)
A.3 | B.2 | C.1 | D.0 |
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【推荐2】设x、y、a都是有理数,定义x⊗y=axy+4x+5y,并且1⊗2=16.则3⊗4=( )
A.32 | B.44 | C.56 | D.62 |
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