（ただし１と２を合せて１２のような使い方は出来ません。）
47個の解法が見つかりました。
((3+(6+9))-8)=10
((3+6)+(9-8))=10
((3+6)-(8-9))=10
((3+9)+(6-8))=10
((3+9)-(8-6))=10
((3-8)+(6+9))=10
((6×(9÷3))-8)=10
((6+(3+9))-8)=10
((6+9)+(3-8))=10
((6+9)-(8-3))=10
((6-8)+(3+9))=10
((6÷(3÷9))-8)=10
((9×(6÷3))-8)=10
((9+(3+6))-8)=10
((9-8)+(3+6))=10
((9÷(3÷6))-8)=10
(3+((6+9)-8))=10
(3+(6+(9-8)))=10
(3+(6-(8-9)))=10
(3+(9+(6-8)))=10
(3+(9-(8-6)))=10
(3-((8-6)-9))=10
(3-((8-9)-6))=10
(3-(8-(6+9)))=10
(6+((3+9)-8))=10
(6+(3+(9-8)))=10
(6+(3-(8-9)))=10
(6+(9+(3-8)))=10
(6+(9-(8-3)))=10
(6-((8-3)-9))=10
(6-((8-9)-3))=10
(6-(8-(3+9)))=10
(8+((3×6)÷9))=10
(8+((3+9)÷6))=10
(8+(3×(6÷9)))=10
(8+(3÷(9÷6)))=10
(8+(6×(3÷9)))=10
(8+(6÷(9÷3)))=10
(9+((3+6)-8))=10
(9+(3+(6-8)))=10
(9+(3-(8-6)))=10
(9+(6+(3-8)))=10
(9+(6-(8-3)))=10
(9-((8-3)-6))=10
(9-((8-6)-3))=10
(9-(8-(3+6)))=10