Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Euler ya ba da shawarar ƙaddamar da kalmar "adadi" sau da yawa. A game da 1 − 2 + 3 − 4 +..., ra'ayoyinsa sun yi kama da abin da aka sani yanzu a matsayin Haɗin Abel: Tambaya: Menene ra'ayin Euler yayi kama da?
Ƙididdigar Abel