配套习题-平方根与立方根 -【青果学院】

本课配套习题挑战模式1/5

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单选题

难度系数：

1.

若a,b是实数，且,则a+b的值是（）

A:
3或-3

B:
3或-1

C:
-3或-1

D:
3或1

提示1：PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIwLzY4L3JCQUNFMU1KNjZEQVI4WU1BQUFCYmtRdFJ4STcyNi5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjAvNjgvckJBQ0UxTUo2NkRBUjhZTUFBQUJia1F0UnhJNzI2LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjE2Ij4oYeKJpTAp77yM5Y+v5rGC5Ye6Yu+8jGE8L3A+
答案：Qg==
PGRpdj48aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvOEIvMjQvckJBQ0ZGTS1rWWJBdHRvOUFBQU9zRk5HVnljNDgwLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84Qi8yNC9yQkFDRkZNLWtZYkF0dG85QUFBT3NGTkdWeWM0ODAucG5nIiBhbHQ9IiIgc3R5bGU9IndpZHRoOiAyNTdweDsgaGVpZ2h0OiAyMTBweDsiPjxicj48L2Rpdj4=

本课配套习题挑战模式2/5

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单选题

难度系数：

2.

下列说法中不正确的是（）

A:

B:

C:

D:

提示1：CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA8cD7mraPnoa7nkIbop6PnrpfmnK/lubPmlrnmoLnvvIzlubPmlrnmoLnvvIznq4vmlrnmoLk8L3A+CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA=
答案：QQ==
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

本课配套习题挑战模式3/5

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单选题

难度系数：

3.

下列说法中不正确的是（）

A:
9的算术平方根是3

B:

C:
27的立方根是±3

D:
立方根等于-1的实数是-1

提示1：PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZELzdGL3JCQUNGRk1KNjZuU2c4ZW9BQUFCMmdHVjdXbzY3Ny5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkQvN0YvckJBQ0ZGTUo2Nm5TZzhlb0FBQUIyZ0dWN1dvNjc3LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjUxIj48L3A+
答案：Qw==
PGRpdj48cCBhbGlnbj0ibGVmdCI+6Kej77yaMjfnmoTnq4vmlrnmoLnmmK8zPC9wPjwvZGl2Pg==

本课配套习题挑战模式4/5

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单选题

难度系数：

4.

的平方根是（）

A:
±8

B:
±4

C:
±2

D:

提示1：PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIwLzY4L3JCQUNFMU1KNjY2aWJXcThBQUFCOVhnNS0yazQxNy5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjAvNjgvckJBQ0UxTUo2NjZpYldxOEFBQUI5WGc1LTJrNDE3LnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjYwIj48L3A+
答案：Qw==
PGRpdj48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvOTIvckJBQ0UxTU1iVGVELXJsSEFBQUZVMERGNVJrMzcwLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yMy85Mi9yQkFDRTFNTWJUZUQtcmxIQUFBRlUwREY1UmszNzAucG5nIiBhbHQ9IiIgc3R5bGU9IndpZHRoOiAzMzVweDsgaGVpZ2h0OiA1NXB4OyI+PC9kaXY+

本课配套习题挑战模式5/5

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单选题

难度系数：

5.

已知非零实数满足，则的值为（）

A:
1

B:
2

C:
3

D:
4

提示1：PHA+55Sx566X5pyv5bmz5pa55qC555qE6Z2e6LSf5oCn5Y+v5b6X5Ye6YeKJpTPvvIzov5vogIzljrvnu53lr7nlgLzvvIzljJbnroA8YnI+PC9wPg==
答案：QQ==
PGRpdj48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTEvMEQvckJBQ0ZGTVMtUGFBLTJIVUFBQVBqR3ZUeDNZNTUzLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xMS8wRC9yQkFDRkZNUy1QYUEtMkhVQUFBUGpHdlR4M1k1NTMucG5nIiBhbHQ9IiIgc3R5bGU9IndpZHRoOiAzMzZweDsgaGVpZ2h0OiA5OHB4OyI+PC9kaXY+

中学生网络课堂

本课配套习题挑战模式1/5

本课配套习题挑战模式2/5

本课配套习题挑战模式3/5

本课配套习题挑战模式4/5

本课配套习题挑战模式5/5

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