配套习题-分式的概念 -【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.

在，，-0.7xy+y³，，，中，分式有( )个

A:
2

B:
3

C:
4

D:
5

提示1：PHA+5YiG5byP55qE5a6a5LmJ77yM5YiG5q+N5Lit5ZCr5pyJ5a2X5q+N55qE5byP5a2QPC9wPg==
提示2：PHA+z4DkuI3mmK/lrZfmr408L3A+
答案：Qg==
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

本课配套习题挑战模式2/5

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单选题

难度系数：

2.要使分式

有意义，则x的取值范围是( )

A: x≠1

B: x＞1

C: x＜1

D: x≠-1

提示1：5YiG5byP5pyJ5oSP5LmJ55qE5p2h5Lu277yM5YiG5q+N5LiN5Li6PGltZyB3aWR0aD04IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNFL0E4L3JCQUNKbFRJbHEzRDRibzZBQUFCQjhKS1pBUTA3OS5wbmciPg==
答案：QQ==
6Kej562U77ya4oi1PGltZyB3aWR0aD01NyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9FNi9yQkFDSjFUSWxxM0JPbU9MQUFBQm1NSXpQdmcyMzkucG5nIj48YnI+4oi0eOKJoDE8YnI+5pWF6YCJQQ==

本课配套习题挑战模式3/5

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单选题

难度系数：

3.若分式

的值为0，则x的值是()

A: 3

B:

C:

D:

提示1：5YiG5byP5YC85Li6MOeahOadoeS7tuaYr+WIhuWtkOetieS6jjDvvIzliIbmr43kuI3nrYnkuo4wLg==
答案：QQ==
6Kej562U77ya4oi1PGltZyB3aWR0aD01NSBoZWlnaHQ9NjIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83My8xQy9yQkFDRTFUSWxyQ1J3S0ZtQUFBQ2dOdDFoU2c4NTEucG5nIj49MDxicj7iiLQgeC0zPTA8YnI+4oi0eD0zPGJyPuaVhemAiUE=

本课配套习题挑战模式4/5

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单选题

难度系数：

4.无论x为何值，下列各分式中总有意义的是( )

A:

B:

C:

D:

提示1：5YiG5byP5pyJ5oSP5LmJ55qE5p2h5Lu25piv5YiG5q+N5LiN5Li6MA==
答案：RA==
6Kej562U77ya4oi1RCw8aW1nIHdpZHRoPTU0IGhlaWdodD00OSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0U3L3JCQUNKMVRJbHVxZ19SemxBQUFDUm1TbGZNVTAzMS5wbmciPueahOWIhuavjeS4ujxpbWcgd2lkdGg9OTcgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUEvMjQvckJBQ0ZGVElsdXF3RkJuMkFBQUNTRTFLUEdjNTEyLnBuZyI+PGJyPuaVhemAiUQ=

本课配套习题挑战模式5/5

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单选题

难度系数：

5.当x=-a时，分式

的值是( )

A: 零

B: 无意义

C: 若时，值为零

D: 若时，值为零

提示1：5YiG5byP55qE5YC85Li6MOeahOadoeS7tu+8jOWIhuavjeS4jeS4ujDvvIzliIblrZDkuLrpm7Y=
提示2：5YiG5byP5pyJ5oSP5LmJ55qE5p2h5Lu25piv77yM5YiG5q+N5LiN5Li66Zu2
答案：Qw==
6Kej562U77ya4oi1PGltZyB3aWR0aD01MCBoZWlnaHQ9NTAgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83My8xQy9yQkFDRTFUSWx1NkNSWDFDQUFBQ1o3SmhzZmsxODAucG5nIj49MO+8jOa7oei2szxpbWcgd2lkdGg9OTUgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvQTgvckJBQ0psVElsdTdTdk5oRUFBQURKUmVwclVnMDIyLnBuZyI+PGJyPng9LWEsIHg8aW1nIHdpZHRoPTQ3IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0U3L3JCQUNKMVRJbHU2UmJhWlJBQUFCZ1FoZ19MRTE2My5wbmciPjxicj7iiLQ8aW1nIHdpZHRoPTQ4IGhlaWdodD00OSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0E4L3JCQUNKbFRJbHU2U3gweGdBQUFDR09WQ0N4VTg4My5wbmciPuaXtu+8jOW9k3g9LWHml7blgLzkuLrpm7bjgII8YnI+5pWF6YCJQw==

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本课配套习题挑战模式1/5

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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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