(ただし1と2を合せて12のような使い方は出来ません。)
40個の解法が見つかりました。
((1×3)+(1+6))=10
((1×6)+(1+3))=10
((1+(3+6))÷1)=10
((1+3)+(1×6))=10
((1+3)+(6÷1))=10
((1+6)+(1×3))=10
((1+6)+(3÷1))=10
((1-3)×(1-6))=10
((1-6)×(1-3))=10
((1÷1)+(3+6))=10
((3+(1+6))÷1)=10
((3+6)+(1×1))=10
((3+6)+(1÷1))=10
((3-1)×(6-1))=10
((3÷1)+(1+6))=10
((6+(1+3))÷1)=10
((6-1)×(3-1))=10
((6÷1)+(1+3))=10
(1×(1+(3+6)))=10
(1×(3+(1+6)))=10
(1×(6+(1+3)))=10
(1+((3+6)÷1))=10
(1+(1×(3+6)))=10
(1+(3+(1×6)))=10
(1+(3+(6÷1)))=10
(1+(6+(1×3)))=10
(1+(6+(3÷1)))=10
(3+((1+6)÷1))=10
(3+(1×(1+6)))=10
(3+(1+(1×6)))=10
(3+(1+(6÷1)))=10
(3+(6+(1×1)))=10
(3+(6+(1÷1)))=10
(6+((1+3)÷1))=10
(6+(1×(1+3)))=10
(6+(1+(1×3)))=10
(6+(1+(3÷1)))=10
(6+(3+(1×1)))=10
(6+(3+(1÷1)))=10