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[Data Sufficiency]

试题详情

题目:

If , which is greater, 20 percent of n  or 10 percent of the sum of n  and 0.5 ?
(1)
(2)  

选项:

答案:

A

提问:

我觉得应该是C呢,老师。如果把n<0.1代入两个式子,0.2n<0.02. 0.1(n+0.5)<0.06.小于0.06可能比0.02要小,也可能比0.02大啊,第一个条件无法判断谁更大啊。 答案选A,老师是不是我思路哪里出错了?请老师指点!

解答:

点赞-1
阅读1759
解答: sysadmin

提问:

我觉得应该是C呢,老师。如果把n<0.1代入两个式子,0.2n<0.02. 0.1(n+0.5)<0.06.小于0.06可能比0.02要小,也可能比0.02大啊,第一个条件无法判断谁更大啊。 答案选A,老师是不是我思路哪里出错了?请老师指点!

解答:

点赞-1
阅读1760
解答: sysadmin老师

提问:

数学

解答:

点赞-1
阅读1723
解答: sysadmin老师

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