(ただし1と2を合せて12のような使い方は出来ません。)
59個の解法が見つかりました。
((2×(3×3))-8)=10
((2×8)-(3+3))=10
((2+(3+8))-3)=10
((2+3)+(8-3))=10
((2+3)-(3-8))=10
((2+8)×(3÷3))=10
((2+8)+(3-3))=10
((2+8)-(3-3))=10
((2+8)÷(3÷3))=10
((2-3)+(3+8))=10
((3×(2×3))-8)=10
((3×(2+8))÷3)=10
((3+(2+8))-3)=10
((3+3)+(8÷2))=10
((3+8)+(2-3))=10
((3+8)-(3-2))=10
((3-3)+(2+8))=10
((3÷3)×(2+8))=10
((8+(2+3))-3)=10
((8-3)+(2+3))=10
((8÷2)+(3+3))=10
(2+((3×8)÷3))=10
(2+((3+8)-3))=10
(2+(3×(8÷3)))=10
(2+(3+(8-3)))=10
(2+(3-(3-8)))=10
(2+(3÷(3÷8)))=10
(2+(8×(3÷3)))=10
(2+(8+(3-3)))=10
(2+(8-(3-3)))=10
(2+(8÷(3÷3)))=10
(2-((3-3)-8))=10
(2-((3-8)-3))=10
(2-(3-(3+8)))=10
(3×((2+8)÷3))=10
(3+((2+8)-3))=10
(3+(2+(8-3)))=10
(3+(2-(3-8)))=10
(3+(3+(8÷2)))=10
(3+(8+(2-3)))=10
(3+(8-(3-2)))=10
(3-((3-2)-8))=10
(3-((3-8)-2))=10
(3-(3-(2+8)))=10
(3÷(3÷(2+8)))=10
(8+((2×3)÷3))=10
(8+((2+3)-3))=10
(8+(2×(3÷3)))=10
(8+(2+(3-3)))=10
(8+(2-(3-3)))=10
(8+(2÷(3÷3)))=10
(8+(3×(2÷3)))=10
(8+(3+(2-3)))=10
(8+(3-(3-2)))=10
(8+(3÷(3÷2)))=10
(8-((3-2)-3))=10
(8-((3-3)-2))=10
(8-(3-(2+3)))=10