解答

1. Origins, structure, and basic meaning

• Structure: 解答(かいとう) means solving a problem and giving an answer, or the answer itself.
• Basic usage: It is used when comparing test answers or explaining the reasoning behind a solution.

2. Common pitfalls and similar expressions

• Answer and correct answer
  • 正解(せいかい) means a correct answer. A submitted 解答 is not necessarily correct.
• The homophone 回答
  • 回答(かいとう) refers to a response to a question or inquiry; 解答 focuses on an answer reached by solving a problem.