(ただし1と2を合せて12のような使い方は出来ません。)
27個の解法が見つかりました。
((1+6)+(6-3))=10
((1+6)-(3-6))=10
((1-3)+(6+6))=10
((6×(6-1))÷3)=10
((6+(1+6))-3)=10
((6+6)+(1-3))=10
((6+6)-(3-1))=10
((6-1)×(6÷3))=10
((6-1)÷(3÷6))=10
((6-3)+(1+6))=10
((6÷3)×(6-1))=10
(1+((6+6)-3))=10
(1+(6+(6-3)))=10
(1+(6-(3-6)))=10
(1-((3-6)-6))=10
(1-(3-(6+6)))=10
(6×((6-1)÷3))=10
(6+((1+6)-3))=10
(6+(1+(6-3)))=10
(6+(1-(3-6)))=10
(6+(6+(1-3)))=10
(6+(6-(3-1)))=10
(6-((3-1)-6))=10
(6-((3-6)-1))=10
(6-(3-(1+6)))=10
(6÷(3÷(6-1)))=10