数字3を4個含む数式（２）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+3/3
[ 9] 3*α+3/3
[10] 3*3!*α*α
[11] .3*(α+α+3!)
[12] (3-α)/α-3!
[13] .3*α*3!/.3
[14] .3+.3*(3!-α)
[15] α*3!+3-3
[16] 3/(.3*3!)+α
[17] 3*(3-α)-3!
[18] 3!-3-3*α
[19] 3-(α+α+α)
[20] (3/α-3)*α
[21] 3*α+3*α
[22] 3-.3*(α+3)
[23] (.3/α-.3)/.3
[24] (.3*3-.3)/.3
[25] 3/(.3+.3)-3
