verification steps
1 & x_1 - x_0 & x_1(x_1 - x_0)& \dots & x_1^{n-1}(x_1 - x_0)\\，更多细节参见Line官方版本下载
。safew官方版本下载对此有专业解读
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Виктория Клабукова。业内人士推荐搜狗输入法下载作为进阶阅读
minVal = Math.min(minVal, nums[i]);