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[Data Sufficiency]

试题详情

题目:

Sue's monthly earnings consist of a monthly salary and a 4 percent commission on the portion of her monthly sales that is in excess of $2,000.  If Sue's monthly salary was the same in July as in August, how much greater were her sales in July than in August?
(1)     Sue's monthly earnings were $3,620 in July and $3,580 in August.
(2)     Sue's monthly salary was $3,500 in July and in August.

选项:

答案:

A

提问:

我做的是C,思路: 只从第一个条件看,只能说7月的销售是超过了2000,但八月的销售可以超过2000等于2000也可以小于2000,当小于2000是就不能确定差额了。只有两个条件一起才能确定差额。

解答:

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阅读2570
解答: sysadmin

提问:

我做的是C,思路: 只从第一个条件看,只能说7月的销售是超过了2000,但八月的销售可以超过2000等于2000也可以小于2000,当小于2000是就不能确定差额了。只有两个条件一起才能确定差额。

解答:

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阅读2571
解答: sysadmin老师

提问:

这题我觉得是答案错了,答案是a,求老师讲解下

解答:

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阅读2541
解答: sysadmin老师

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