（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。
(((7+9)-6)-0)=10
((0+(7+9))-6)=10
((0+7)+(9-6))=10
((0+7)-(6-9))=10
((0+9)+(7-6))=10
((0+9)-(6-7))=10
((0-6)+(7+9))=10
((7+(0+9))-6)=10
((7+(9-0))-6)=10
((7+(9-6))-0)=10
((7+9)+(0-6))=10
((7+9)-(0+6))=10
((7+9)-(6-0))=10
((7-(0-9))-6)=10
((7-(6-9))-0)=10
((7-0)+(9-6))=10
((7-0)-(6-9))=10
((7-6)+(0+9))=10
((7-6)+(9-0))=10
((7-6)-(0-9))=10
((9+(0+7))-6)=10
((9+(7-0))-6)=10
((9+(7-6))-0)=10
((9-(0-7))-6)=10
((9-(6-7))-0)=10
((9-0)+(7-6))=10
((9-0)-(6-7))=10
((9-6)+(0+7))=10
((9-6)+(7-0))=10
((9-6)-(0-7))=10
(0+((7+9)-6))=10
(0+(7+(9-6)))=10
(0+(7-(6-9)))=10
(0+(9+(7-6)))=10
(0+(9-(6-7)))=10
(0-((6-7)-9))=10
(0-((6-9)-7))=10
(0-(6-(7+9)))=10
(7+((0+9)-6))=10
(7+((9-0)-6))=10
(7+((9-6)-0))=10
(7+(0+(9-6)))=10
(7+(0-(6-9)))=10
(7+(9+(0-6)))=10
(7+(9-(0+6)))=10
(7+(9-(6-0)))=10
(7-((0+6)-9))=10
(7-((6-0)-9))=10
(7-((6-9)-0))=10
(7-(0+(6-9)))=10
(7-(0-(9-6)))=10
(7-(6+(0-9)))=10
(7-(6-(0+9)))=10
(7-(6-(9-0)))=10
(9+((0+7)-6))=10
(9+((7-0)-6))=10
(9+((7-6)-0))=10
(9+(0+(7-6)))=10
(9+(0-(6-7)))=10
(9+(7+(0-6)))=10
(9+(7-(0+6)))=10
(9+(7-(6-0)))=10
(9-((0+6)-7))=10
(9-((6-0)-7))=10
(9-((6-7)-0))=10
(9-(0+(6-7)))=10
(9-(0-(7-6)))=10
(9-(6+(0-7)))=10
(9-(6-(0+7)))=10
(9-(6-(7-0)))=10