（ただし１と２を合せて１２のような使い方は出来ません。）
105個の解法が見つかりました。
(((4+8)-2)-0)=10
((0×4)+(2+8))=10
((0+(4+8))-2)=10
((0+4)+(8-2))=10
((0+4)-(2-8))=10
((0+8)+(4-2))=10
((0+8)+(4÷2))=10
((0+8)-(2-4))=10
((0-2)+(4+8))=10
((0÷4)+(2+8))=10
((2+8)+(0×4))=10
((2+8)+(0÷4))=10
((2+8)-(0×4))=10
((2+8)-(0÷4))=10
((4+(0+8))-2)=10
((4+(8-0))-2)=10
((4+(8-2))-0)=10
((4+8)+(0-2))=10
((4+8)-(0+2))=10
((4+8)-(2-0))=10
((4-(0-8))-2)=10
((4-(2-8))-0)=10
((4-0)+(8-2))=10
((4-0)-(2-8))=10
((4-2)+(0+8))=10
((4-2)+(8-0))=10
((4-2)-(0-8))=10
((4÷2)+(0+8))=10
((4÷2)+(8-0))=10
((4÷2)-(0-8))=10
((8+(0+4))-2)=10
((8+(4-0))-2)=10
((8+(4-2))-0)=10
((8+(4÷2))-0)=10
((8-(0-4))-2)=10
((8-(2-4))-0)=10
((8-0)+(4-2))=10
((8-0)+(4÷2))=10
((8-0)-(2-4))=10
((8-2)+(0+4))=10
((8-2)+(4-0))=10
((8-2)-(0-4))=10
(0+((4+8)-2))=10
(0+(4+(8-2)))=10
(0+(4-(2-8)))=10
(0+(8+(4-2)))=10
(0+(8+(4÷2)))=10
(0+(8-(2-4)))=10
(0-((2-4)-8))=10
(0-((2-8)-4))=10
(0-(2-(4+8)))=10
(2+(8+(0×4)))=10
(2+(8+(0÷4)))=10
(2+(8-(0×4)))=10
(2+(8-(0÷4)))=10
(2-((0×4)-8))=10
(2-((0÷4)-8))=10
(4+((0+8)-2))=10
(4+((8-0)-2))=10
(4+((8-2)-0))=10
(4+(0+(8-2)))=10
(4+(0-(2-8)))=10
(4+(8+(0-2)))=10
(4+(8-(0+2)))=10
(4+(8-(2-0)))=10
(4-((0+2)-8))=10
(4-((2-0)-8))=10
(4-((2-8)-0))=10
(4-(0+(2-8)))=10
(4-(0-(8-2)))=10
(4-(2+(0-8)))=10
(4-(2-(0+8)))=10
(4-(2-(8-0)))=10
(8+((0+4)-2))=10
(8+((0+4)÷2))=10
(8+((4-0)-2))=10
(8+((4-0)÷2))=10
(8+((4-2)-0))=10
(8+((4÷2)-0))=10
(8+(0+(4-2)))=10
(8+(0+(4÷2)))=10
(8+(0-(2-4)))=10
(8+(2+(0×4)))=10
(8+(2+(0÷4)))=10
(8+(2-(0×4)))=10
(8+(2-(0÷4)))=10
(8+(4+(0-2)))=10
(8+(4-(0+2)))=10
(8+(4-(2-0)))=10
(8+(4÷(0+2)))=10
(8+(4÷(2-0)))=10
(8-((0×4)-2))=10
(8-((0+2)-4))=10
(8-((0-4)÷2))=10
(8-((0÷4)-2))=10
(8-((2-0)-4))=10
(8-((2-4)-0))=10
(8-(0+(2-4)))=10
(8-(0-(4-2)))=10
(8-(0-(4÷2)))=10
(8-(2+(0-4)))=10
(8-(2-(0+4)))=10
(8-(2-(4-0)))=10
(8-(4÷(0-2)))=10