（ただし１と２を合せて１２のような使い方は出来ません。）
52個の解法が見つかりました。
((3+6)+(7-6))=10
((3+6)-(6-7))=10
((3+7)×(6÷6))=10
((3+7)+(6-6))=10
((3+7)-(6-6))=10
((3+7)÷(6÷6))=10
((3-6)+(6+7))=10
((6×(3+7))÷6)=10
((6+(3+7))-6)=10
((6+7)+(3-6))=10
((6+7)-(6-3))=10
((6-6)+(3+7))=10
((6÷6)×(3+7))=10
((7+(3+6))-6)=10
((7-6)+(3+6))=10
(3+((6×7)÷6))=10
(3+((6+7)-6))=10
(3+(6×(7÷6)))=10
(3+(6+(7-6)))=10
(3+(6-(6-7)))=10
(3+(6÷(6÷7)))=10
(3+(7×(6÷6)))=10
(3+(7+(6-6)))=10
(3+(7-(6-6)))=10
(3+(7÷(6÷6)))=10
(3-((6-6)-7))=10
(3-((6-7)-6))=10
(3-(6-(6+7)))=10
(6×((3+7)÷6))=10
(6+((3+7)-6))=10
(6+(3+(7-6)))=10
(6+(3-(6-7)))=10
(6+(7+(3-6)))=10
(6+(7-(6-3)))=10
(6-((6-3)-7))=10
(6-((6-7)-3))=10
(6-(6-(3+7)))=10
(6÷(6÷(3+7)))=10
(7+((3×6)÷6))=10
(7+((3+6)-6))=10
(7+(3×(6÷6)))=10
(7+(3+(6-6)))=10
(7+(3-(6-6)))=10
(7+(3÷(6÷6)))=10
(7+(6×(3÷6)))=10
(7+(6+(3-6)))=10
(7+(6-(6-3)))=10
(7+(6÷(6÷3)))=10
(7-((6-3)-6))=10
(7-((6-6)-3))=10
(7-(6-(3+6)))=10