彼(かの)女(じょ) kanojoは wa容(よう)易(い) youiに ni問(もん)題(だい) mondaiを o解(と)く() tokuことができた kotogadekita。 She was able to solve the problem easily. Literal She [topic-は] easily problem [object-を] solve was-able. 容易に (よういに, 'easily') is a formal adverb. 解く (とく, 'to solve') is the standard verb for problems and puzzles. ことができた marks completed ability. education~ことができる (can do)
彼(かの)女(じょ) kanojoは wa容(よう)易(い) youiに ni問(もん)題(だい) mondaiを o解(と)く() tokuことができた kotogadekita。 She was able to solve the problem easily. Literal She [topic-は] easily problem [object-を] solve was-able. 容易に (よういに, 'easily') is a formal adverb. 解く (とく, 'to solve') is the standard verb for problems and puzzles. ことができた marks completed ability. education~ことができる (can do)