某人银行账户今年底余额减去1500元后,正好比去年余额减少了25%,去年底余额比前年底余额的120百分号少2000元,则此人银行账户今年底余额一定比前年底...

作者: tihaiku 人气: - 评论: 0
问题 某人银行账户今年底余额减去1500元后,正好比去年余额减少了25%,去年底余额比前年底余额的120百分号少2000元,则此人银行账户今年底余额一定比前年底余额( )
选项 A.少100% B.多10% C.少1000元 D.多1000元
答案 A
解析 设前年年底余款为X元,则去年为(1.2X-2000),今年为【0.75(1.2X-2000)+1500】元,得今年为0.9X,则减少10%

相关内容:银行,账户,余额,1500元,比前,分号,2000元

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