（ただし１と２を合せて１２のような使い方は出来ません。）
64個の解法が見つかりました。
(((5+5)÷1)-0)=10
((0×1)+(5+5))=10
((0+(5+5))÷1)=10
((0+1)×(5+5))=10
((0+5)+(1×5))=10
((0+5)+(5÷1))=10
((0÷1)+(5+5))=10
((1×(5+5))-0)=10
((1×5)+(0+5))=10
((1×5)+(5-0))=10
((1×5)-(0-5))=10
((1-0)×(5+5))=10
((5+(0+5))÷1)=10
((5+(1×5))-0)=10
((5+(5-0))÷1)=10
((5+(5÷1))-0)=10
((5+5)×(0+1))=10
((5+5)×(1-0))=10
((5+5)+(0×1))=10
((5+5)+(0÷1))=10
((5+5)-(0×1))=10
((5+5)-(0÷1))=10
((5+5)÷(0+1))=10
((5+5)÷(1-0))=10
((5-(0-5))÷1)=10
((5-0)+(1×5))=10
((5-0)+(5÷1))=10
((5÷1)+(0+5))=10
((5÷1)+(5-0))=10
((5÷1)-(0-5))=10
(0+((5+5)÷1))=10
(0+(1×(5+5)))=10
(0+(5+(1×5)))=10
(0+(5+(5÷1)))=10
(1×((5+5)-0))=10
(1×(0+(5+5)))=10
(1×(5+(0+5)))=10
(1×(5+(5-0)))=10
(1×(5-(0-5)))=10
(5+((0+5)÷1))=10
(5+((1×5)-0))=10
(5+((5-0)÷1))=10
(5+((5÷1)-0))=10
(5+(0+(1×5)))=10
(5+(0+(5÷1)))=10
(5+(1×(0+5)))=10
(5+(1×(5-0)))=10
(5+(5×(0+1)))=10
(5+(5×(1-0)))=10
(5+(5+(0×1)))=10
(5+(5+(0÷1)))=10
(5+(5-(0×1)))=10
(5+(5-(0÷1)))=10
(5+(5÷(0+1)))=10
(5+(5÷(1-0)))=10
(5-((0×1)-5))=10
(5-((0-5)÷1))=10
(5-((0÷1)-5))=10
(5-(0-(1×5)))=10
(5-(0-(5÷1)))=10
(5-(1×(0-5)))=10
(5-(5×(0-1)))=10
(5-(5÷(0-1)))=10