（ただし１と２を合せて１２のような使い方は出来ません。）
73個の解法が見つかりました。
((3×4)×(5÷6))=10
((3×4)÷(6÷5))=10
((3×5)×(4÷6))=10
((3×5)÷(6÷4))=10
((3+(5+6))-4)=10
((3+5)+(6-4))=10
((3+5)-(4-6))=10
((3+6)+(5-4))=10
((3+6)-(4-5))=10
((3-4)+(5+6))=10
((3÷6)×(4×5))=10
((4×(3×5))÷6)=10
((4×5)×(3÷6))=10
((4×5)÷(6÷3))=10
((4÷6)×(3×5))=10
((5×(3×4))÷6)=10
((5+(3+6))-4)=10
((5+6)+(3-4))=10
((5+6)-(4-3))=10
((5-4)+(3+6))=10
((5÷6)×(3×4))=10
((6+(3+5))-4)=10
((6-4)+(3+5))=10
(3×((4×5)÷6))=10
(3×(4×(5÷6)))=10
(3×(4÷(6÷5)))=10
(3×(5×(4÷6)))=10
(3×(5÷(6÷4)))=10
(3+((5+6)-4))=10
(3+(5+(6-4)))=10
(3+(5-(4-6)))=10
(3+(6+(5-4)))=10
(3+(6-(4-5)))=10
(3-((4-5)-6))=10
(3-((4-6)-5))=10
(3-(4-(5+6)))=10
(3÷((6÷4)÷5))=10
(3÷((6÷5)÷4))=10
(3÷(6÷(4×5)))=10
(4×((3×5)÷6))=10
(4×(3×(5÷6)))=10
(4×(3÷(6÷5)))=10
(4×(5×(3÷6)))=10
(4×(5÷(6÷3)))=10
(4÷((6÷3)÷5))=10
(4÷((6÷5)÷3))=10
(4÷(6÷(3×5)))=10
(5×((3×4)÷6))=10
(5×(3×(4÷6)))=10
(5×(3÷(6÷4)))=10
(5×(4×(3÷6)))=10
(5×(4-(6÷3)))=10
(5×(4÷(6÷3)))=10
(5+((3+6)-4))=10
(5+(3+(6-4)))=10
(5+(3-(4-6)))=10
(5+(6+(3-4)))=10
(5+(6-(4-3)))=10
(5-((4-3)-6))=10
(5-((4-6)-3))=10
(5-(4-(3+6)))=10
(5÷((6÷3)÷4))=10
(5÷((6÷4)÷3))=10
(5÷(6÷(3×4)))=10
(6+((3+5)-4))=10
(6+(3+(5-4)))=10
(6+(3-(4-5)))=10
(6+(5+(3-4)))=10
(6+(5-(4-3)))=10
(6-((4-3)-5))=10
(6-((4-5)-3))=10
(6-(4-(3+5)))=10