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[GRE数学辅导] 新GRE数学考试几何考题练习及答案解析
一条x轴intercede 3,y轴intercede 4, 和一条x轴intercede 4,一个y轴intercede 3.解:slope1=(4-0)/(0-3)=-4/3 slop2=(3-0)/(0-4)=-3/4注意由于两条直线的斜率是负数, 后者斜率大一些.2013-05-06 编辑:phoenix
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2013-05-06 编辑:phoenix