摘要:24.小明为了通过描点法作出函数的图象.先取自变量x的7个值满足:x2-x1 = x3-x2 = - = x7-x6 = d.再分别算出对应的y值.列出表1: 表1:xx1x2x3x4x5x6x7y13713213143记m1 = y2-y1.m2 = y3-y2.m3 = y4-y3.m4 = y5-y4.-,s1 = m2-m1.s2 = m3-m2.s3 = m4-m3.-⑴判断s1.s2.s3之间关系.并说明理由,

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