配套习题-作差（商）比较大小 -【青果学院】

本课配套习题挑战模式1/3

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单选题

难度系数：

1.已知a,b为实数，p=

-2ab+2

,q=2a-3,则p与q的大小关系是

A: pq

B: p>q

C: pq

D: p <q

提示1：IOWIqeeUqOS9nOW3ruazlQ==
答案：Qg==
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单选题

难度系数：

2.设f(n)=

(n

),比较f(n)与f(n+1)的大小为

A: f(n)f(n+1)

B:

C: f(n)<f(n+1)

D: f(n)f(n+1)

提示1：IOWFiOihqOekuuWHumYobisxKQ==
提示2：IOWIqeeUqOS9nOWVhuazlQ==
答案：QQ==
6Kej77yaPGltZyB3aWR0aD00NiBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC84QS82My9yQkFDRkZNLWdEYUJjS0RVQUFBQ0NnSEVqOWsyMzgucG5nIj49PGltZyB3aWR0aD0xMjkgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvOEEvNjMvckJBQ0ZGTS1nRGFSeW1mSEFBQUN3QzFuQUdNMjk0LnBuZyI+PGJyPuKItGYobik8aW1nIHdpZHRoPTE1IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzhBLzYzL3JCQUNGRk0tZ0RiaHFwcGNBQUFBX1F3UmNFSTY3NC5wbmciPmYobisxKQ==

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单选题

难度系数：

3.设f(n)=

(n

), 则f(n)的最大值为

A: 2

B: 3

C:

D: 1

提示1：IOS9nOW3ruazleaIluS9nOWVhuazlemDveWPr+S7pQ==
答案：Qw==
6Kej77ya5L2c5ZWG5rOV77yaPGltZyB3aWR0aD0xMTYgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvOEEvNjIvckJBQ0ZGTS1nREt6aFlqWkFBQURIQmVNS0VBNTkwLnBuZyI+PGJyPuS9nOW3ruazlTxpbWcgd2lkdGg9NDIyIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FDL0RCL3JCQUNFMU0tZ0RMUzdTQnBBQUFHSER4VmVDTTM2MC5wbmciPjxicj7iiLQ8aW1nIHdpZHRoPTQxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzhBLzYzL3JCQUNGRk0tZ0RPUW1XdFNBQUFCdWpmMm9lbzA1NS5wbmciPjxicj4=