(ただし1と2を合せて12のような使い方は出来ません。)
71個の解法が見つかりました。
(((3+8)-1)-0)=10
((0+(3+8))-1)=10
((0+3)+(8-1))=10
((0+3)-(1-8))=10
((0+8)+(3-1))=10
((0+8)-(1-3))=10
((0-1)+(3+8))=10
((3+(0+8))-1)=10
((3+(8-0))-1)=10
((3+(8-1))-0)=10
((3+8)+(0-1))=10
((3+8)-(0+1))=10
((3+8)-(1-0))=10
((3-(0-8))-1)=10
((3-(1-8))-0)=10
((3-0)+(8-1))=10
((3-0)-(1-8))=10
((3-1)+(0+8))=10
((3-1)+(8-0))=10
((3-1)-(0-8))=10
((8+(0+3))-1)=10
((8+(3-0))-1)=10
((8+(3-1))-0)=10
((8-(0-3))-1)=10
((8-(1-3))-0)=10
((8-0)+(3-1))=10
((8-0)-(1-3))=10
((8-1)+(0+3))=10
((8-1)+(3-0))=10
((8-1)-(0-3))=10
(0+((3+8)-1))=10
(0+(3+(8-1)))=10
(0+(3-(1-8)))=10
(0+(8+(3-1)))=10
(0+(8-(1-3)))=10
(0-((1-3)-8))=10
(0-((1-8)-3))=10
(0-(1-(3+8)))=10
(3+((0+8)-1))=10
(3+((8-0)-1))=10
(3+((8-1)-0))=10
(3+(0+(8-1)))=10
(3+(0-(1-8)))=10
(3+(8+(0-1)))=10
(3+(8-(0+1)))=10
(3+(8-(1-0)))=10
(3-((0+1)-8))=10
(3-((1-0)-8))=10
(3-((1-8)-0))=10
(3-(0+(1-8)))=10
(3-(0-(8-1)))=10
(3-(1+(0-8)))=10
(3-(1-(0+8)))=10
(3-(1-(8-0)))=10
(8+((0+3)-1))=10
(8+((3-0)-1))=10
(8+((3-1)-0))=10
(8+(0+(3-1)))=10
(8+(0-(1-3)))=10
(8+(3+(0-1)))=10
(8+(3-(0+1)))=10
(8+(3-(1-0)))=10
(8-((0+1)-3))=10
(8-((1-0)-3))=10
(8-((1-3)-0))=10
(8-(0+(1-3)))=10
(8-(0-(3-1)))=10
(8-(1+(0-3)))=10
(8-(1-(0+3)))=10
(8-(1-(3-0)))=10