(ただし1と2を合せて12のような使い方は出来ません。)
63個の解法が見つかりました。
(((3×6)-7)-1)=10
(((6+7)-3)÷1)=10
(((6+7)÷1)-3)=10
((1×(6+7))-3)=10
((1×6)+(7-3))=10
((1×6)-(3-7))=10
((1×7)+(6-3))=10
((1×7)-(3-6))=10
((1+7)+(6÷3))=10
((3×6)-(1+7))=10
((6+(1×7))-3)=10
((6+(7-3))÷1)=10
((6+(7÷1))-3)=10
((6+7)-(1×3))=10
((6+7)-(3÷1))=10
((6-(3-7))÷1)=10
((6-3)+(1×7))=10
((6-3)+(7÷1))=10
((6÷1)+(7-3))=10
((6÷1)-(3-7))=10
((6÷3)+(1+7))=10
((7+(1×6))-3)=10
((7+(6-3))÷1)=10
((7+(6÷1))-3)=10
((7-(3-6))÷1)=10
((7-3)+(1×6))=10
((7-3)+(6÷1))=10
((7÷1)+(6-3))=10
((7÷1)-(3-6))=10
(1×((6+7)-3))=10
(1×(6+(7-3)))=10
(1×(6-(3-7)))=10
(1×(7+(6-3)))=10
(1×(7-(3-6)))=10
(1+(7+(6÷3)))=10
(6+((1×7)-3))=10
(6+((7-3)÷1))=10
(6+((7÷1)-3))=10
(6+(1×(7-3)))=10
(6+(7-(1×3)))=10
(6+(7-(3÷1)))=10
(6-((1×3)-7))=10
(6-((3-7)÷1))=10
(6-((3÷1)-7))=10
(6-(1×(3-7)))=10
(6-(3-(1×7)))=10
(6-(3-(7÷1)))=10
(7+((1×6)-3))=10
(7+((6-3)÷1))=10
(7+((6÷1)-3))=10
(7+(1×(6-3)))=10
(7+(1+(6÷3)))=10
(7+(6-(1×3)))=10
(7+(6-(3÷1)))=10
(7+(6÷(3-1)))=10
(7-((1×3)-6))=10
(7-((3-6)÷1))=10
(7-((3÷1)-6))=10
(7-(1×(3-6)))=10
(7-(3-(1×6)))=10
(7-(3-(6÷1)))=10
(7-(6÷(1-3)))=10