脳トレパズル

Features 脳トレパズル

■ What is Sudoku?This is a game in which numbers 1 to 9 are placed vertically and horizontally on a 9x9 square board without duplication.
Also known as Sudoku.■ What is Kanji Nankuro?Nankuro is a crossword puzzle with no hints.
Among them, the one limited to Chinese characters is called Kanji Nankuro.■ What are four arithmetic operations?This is a puzzle that uses +-× ÷ to make a total of 10 4-digit numbers.■ About the number of problemsIncludes over 700 questions.