2.1.1.1.1.2.3.1b看图比较斜率的大小
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Earned Point(s): 0 of 0, (0) 2.1.1.1.1.2.3.1b.001 如图,若直线l1,l2,l3的斜率分别为k1,k2,k3,则( ) 2.1.1.1.1.2.3.1b.002 如下图,三条直线的倾斜角分别是a1,a2,a3,则下列关系正确的是( ) 2.1.1.1.1.2.3.1b.003 如图,有三条直线l1,l2,l3倾斜角分别是a₁,a₂,a₃,则下列关系正确的是( )
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