(ただし1と2を合せて12のような使い方は出来ません。)
50個の解法が見つかりました。
(((2×6)÷1)-2)=10
((1×(2×6))-2)=10
((1×2)+(2+6))=10
((1×6)+(2×2))=10
((1×6)+(2+2))=10
((2×(1×6))-2)=10
((2×(6÷1))-2)=10
((2×2)+(1×6))=10
((2×2)+(6÷1))=10
((2×6)-(1×2))=10
((2×6)-(2÷1))=10
((2+(2+6))÷1)=10
((2+2)+(1×6))=10
((2+2)+(6÷1))=10
((2+6)+(1×2))=10
((2+6)+(2÷1))=10
((2÷(1÷6))-2)=10
((2÷1)+(2+6))=10
((6×(1×2))-2)=10
((6×(2÷1))-2)=10
((6+(2×2))÷1)=10
((6+(2+2))÷1)=10
((6÷(1÷2))-2)=10
((6÷1)+(2×2))=10
((6÷1)+(2+2))=10
(1×((2×6)-2))=10
(1×(2+(2+6)))=10
(1×(6+(2×2)))=10
(1×(6+(2+2)))=10
(2×((1+6)-2))=10
(2×(1+(6-2)))=10
(2×(1-(2-6)))=10
(2×(6+(1-2)))=10
(2×(6-(2-1)))=10
(2+((2+6)÷1))=10
(2+(1×(2+6)))=10
(2+(2+(1×6)))=10
(2+(2+(6÷1)))=10
(2+(6+(1×2)))=10
(2+(6+(2÷1)))=10
(6+((2×2)÷1))=10
(6+((2+2)÷1))=10
(6+(1×(2×2)))=10
(6+(1×(2+2)))=10
(6+(2×(1×2)))=10
(6+(2×(2÷1)))=10
(6+(2+(1×2)))=10
(6+(2+(2÷1)))=10
(6+(2÷(1÷2)))=10