2016年广东省广州市中考数学试卷及答案
2016年广东省广州市中考数学试卷 一、选择题.(本大题共10小题,每小题3分,满分30分.)1.(3分)(2016•广州)中国人很早开始使用负数,中国古代数学著作《九章算术》的“方程”一章,在世界数学史上首次正式引入负数.如果收入100元记作+100元.那么﹣80元表示( )A.支出20元B.收入20元C.支出80元D.收入80元2.(3分)(2016•广州)如图所示的几何体左视图是( )A.B.C.D.3.(3分)(2016•广州)据统计,2015年广州地铁日均客运量均为6590000人次,将6590000用科学记数法表示为( )A.6.59×104B.659×104C.65.9×1...
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