（ただし１と２を合せて１２のような使い方は出来ません。）
108個の解法が見つかりました。
(((2+8)÷1)-0)=10
((0×1)+(2+8))=10
((0+(2+8))÷1)=10
((0+1)×(2+8))=10
((0+2)+(1×8))=10
((0+2)+(8÷1))=10
((0+8)+(1×2))=10
((0+8)+(2÷1))=10
((0÷1)+(2+8))=10
((1×(2+8))-0)=10
((1×2)+(0+8))=10
((1×2)+(8-0))=10
((1×2)-(0-8))=10
((1×8)+(0+2))=10
((1×8)+(2-0))=10
((1×8)-(0-2))=10
((1-0)×(2+8))=10
((2+(0+8))÷1)=10
((2+(1×8))-0)=10
((2+(8-0))÷1)=10
((2+(8÷1))-0)=10
((2+8)×(0+1))=10
((2+8)×(1-0))=10
((2+8)+(0×1))=10
((2+8)+(0÷1))=10
((2+8)-(0×1))=10
((2+8)-(0÷1))=10
((2+8)÷(0+1))=10
((2+8)÷(1-0))=10
((2-(0-8))÷1)=10
((2-0)+(1×8))=10
((2-0)+(8÷1))=10
((2÷1)+(0+8))=10
((2÷1)+(8-0))=10
((2÷1)-(0-8))=10
((8+(0+2))÷1)=10
((8+(1×2))-0)=10
((8+(2-0))÷1)=10
((8+(2÷1))-0)=10
((8-(0-2))÷1)=10
((8-0)+(1×2))=10
((8-0)+(2÷1))=10
((8÷1)+(0+2))=10
((8÷1)+(2-0))=10
((8÷1)-(0-2))=10
(0+((2+8)÷1))=10
(0+(1×(2+8)))=10
(0+(2+(1×8)))=10
(0+(2+(8÷1)))=10
(0+(8+(1×2)))=10
(0+(8+(2÷1)))=10
(1×((2+8)-0))=10
(1×(0+(2+8)))=10
(1×(2+(0+8)))=10
(1×(2+(8-0)))=10
(1×(2-(0-8)))=10
(1×(8+(0+2)))=10
(1×(8+(2-0)))=10
(1×(8-(0-2)))=10
(2+((0+8)÷1))=10
(2+((1×8)-0))=10
(2+((8-0)÷1))=10
(2+((8÷1)-0))=10
(2+(0+(1×8)))=10
(2+(0+(8÷1)))=10
(2+(1×(0+8)))=10
(2+(1×(8-0)))=10
(2+(8×(0+1)))=10
(2+(8×(1-0)))=10
(2+(8+(0×1)))=10
(2+(8+(0÷1)))=10
(2+(8-(0×1)))=10
(2+(8-(0÷1)))=10
(2+(8÷(0+1)))=10
(2+(8÷(1-0)))=10
(2-((0×1)-8))=10
(2-((0-8)÷1))=10
(2-((0÷1)-8))=10
(2-(0-(1×8)))=10
(2-(0-(8÷1)))=10
(2-(1×(0-8)))=10
(2-(8×(0-1)))=10
(2-(8÷(0-1)))=10
(8+((0+2)÷1))=10
(8+((1×2)-0))=10
(8+((2-0)÷1))=10
(8+((2÷1)-0))=10
(8+(0+(1×2)))=10
(8+(0+(2÷1)))=10
(8+(1×(0+2)))=10
(8+(1×(2-0)))=10
(8+(2×(0+1)))=10
(8+(2×(1-0)))=10
(8+(2+(0×1)))=10
(8+(2+(0÷1)))=10
(8+(2-(0×1)))=10
(8+(2-(0÷1)))=10
(8+(2÷(0+1)))=10
(8+(2÷(1-0)))=10
(8-((0×1)-2))=10
(8-((0-2)÷1))=10
(8-((0÷1)-2))=10
(8-(0-(1×2)))=10
(8-(0-(2÷1)))=10
(8-(1×(0-2)))=10
(8-(2×(0-1)))=10
(8-(2÷(0-1)))=10