Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Sauran sanannun sanannun tsarin haɗin Cesàro shine jerin hanyoyin (C, n). An tabbatar da cewa (C, n) tarawa da (H, n) tarawa koyaushe suna ba da sakamako iri ɗaya, amma suna da bambance-bambancen tarihi. A 1887, Cesàro ya zo kusa da bayyana ma'anar (C, n) tarawa, amma ya ba da wasu misalai kawai. Musamman, ya kara 1 − 2 + 3 − 4 +..., zuwa 1⁄4 ta hanyar hanyar da za a iya sake fassara shi a matsayin (C, n) amma ba a tabbatar da shi ba a lokacin. A hukumance ya bayyana hanyoyin (C, n) a cikin 1890 don bayyana ka'idar sa cewa samfurin Cauchy na jerin (C, n) da kuma jerin (C, m) sune (C, m + n + 1) -summable.  Tambaya: Wane sauran jerin tarawa koyaushe yana ba da sakamako iri ɗaya kamar (H, n)?
(C, n)