题目已知两直线y1=kx+k−1y_{1}=kx+k-1y1=kx+k−1,y2=(k+1)x+k(ky_{2}=\left(k+1\right)x+k(ky2=(k+1)x+k(k是正整数）,设两条直线与xxx轴围成的三角形的面积为SkS_{k}Sk,则S1+S2+S3+…+S2018=( )S_{1}+S_{2}+S_{3}+\ldots +S_{2018}=\left(\ \ \right)S1+S2+S3+…+S2018=( )A.20172018\frac{2017}{2018}20182017B.20182019\frac{2018}{2019}20192018C.20182017\frac{2018}{2017}20172018D.10092019\frac{1009}{2019}20191009知识点：一次函数的性质章节：函数 / 一次函数
