数字3を4個含む数式（５）を作成する問題の解答例を示します。 問題の解 [ 1] 3+(3+3)/3[ 2] 3+3-3/3[ 3] (33-3)/3![ 4] 33/3-3![ 5] (3+3!+3!)/3[ 6] 3+3!/(3!-3)[ 7] 3+3-3/3[ 8] (3*3)/(.3*3!)[ 9] (.3*3!-.3)/.3[10] (3+3!+3!)*α[11] 3!+(3-3!)*α[12] (3…