根号16的算术平方根等于2。-刷刷题APP

A.

±4

B.

±2

C.

4

D.

2

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【简答题】（-4）2的算术平方根是，的立方根是．

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【单选题】电源做星形联结时，线电压是相电压的根号3倍，则（）。

A.

相电压与线电压同相

B.

线电压超前相应的相电压30度

C.

线电压落后相应的相电压30度

D.

不确定

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【判断题】算术均数一定大于中位数。

A.

正确

B.

错误

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【单选题】Social Networking A large but long-in-the-tooth technology company hoping to become a bigger force in online advertising buys a small start-up in a sector that everybody agrees is the next big thing. ...

A.

Y

B.

N

C.

NG

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【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...

A.

By leaving out some necessary information.

B.

By providing more information than needed.

C.

By using their body language.

D.

By telling some unbelievable lies.

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【单选题】对于 X*=3 算术,与他等价的是( )。

A.

X=X*3

B.

X=X+3

C.

X=3

D.

X=3X

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【简答题】的平方根是，16的平方根是．

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根号16的算术平方根等于2。

【简答题】已知A=4x-y-3x+2是x+2的算术平方根，B=3x+2y-92-y是2-y的立方根，其中X≠-1、-2，y≠1、2求A+B的平方根．

【简答题】43的平方根是______．

【单选题】的平方根是（）

【简答题】（-4）2的算术平方根是，的立方根是．

【单选题】电源做星形联结时，线电压是相电压的根号3倍，则（）。

【判断题】算术均数一定大于中位数。

【单选题】Social Networking A large but long-in-the-tooth technology company hoping to become a bigger force in online advertising buys a small start-up in a sector that everybody agrees is the next big thing. ...

【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...

【单选题】对于 X*=3 算术,与他等价的是( )。

【简答题】的平方根是，16的平方根是．

根号16的算术平方根等于2。

【简答题】已知A=4x-y-3x+2是x+2的算术平方根，B=3x+2y-92-y是2-y的立方根，其中X≠-1、-2，y≠1、2求A+B的平方根．

【简答题】43的平方根是______．

【单选题】的平方根是（）

【简答题】（-4）2的算术平方根是______，的立方根是______．

【单选题】电源做星形联结时，线电压是相电压的根号3倍 ，则（ ）。

【判断题】算术均数一定大于中位数。

【单选题】Social Networking A large but long-in-the-tooth technology company hoping to become a bigger force in online advertising buys a small start-up in a sector that everybody agrees is the next big thing. ...

【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...

【单选题】对于 X*=3 算术,与他等价的是( )。

【简答题】的平方根是，16的平方根是．

【简答题】（-4）2的算术平方根是，的立方根是．

【单选题】电源做星形联结时，线电压是相电压的根号3倍，则（）。