数字3を4個含む数式（１）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] (3+3-3)/3
[ 4] 3/3!+3/3!
[ 5] 3/(3*3-3!)
[ 6] +.3-(.3-3!/3!)
[ 7] 3-3!/(3!-3)
[ 8] .3*(3!-3+α)
[ 9] (3/α)/(3+3!)
[10] 3/(3/α-3!)
[11] 3*3/(3!+3)
[12] α*3!-3/3
[13] 3!/3-3*α
[14] 3!-3/(.3+.3)
[15] 3*α*3*α
[16] (3/α)*α*α
[17] (.3*α)+(.3/α)
[18] 33/33
