(ただし1と2を合せて12のような使い方は出来ません。)
45個の解法が見つかりました。
((0×0)+(5+5))=10
((0+(5+5))-0)=10
((0+0)+(5+5))=10
((0+5)+(0+5))=10
((0+5)+(5-0))=10
((0+5)-(0-5))=10
((0-0)+(5+5))=10
((5+(0+5))-0)=10
((5+(5-0))-0)=10
((5+5)+(0×0))=10
((5+5)+(0+0))=10
((5+5)+(0-0))=10
((5+5)-(0×0))=10
((5+5)-(0+0))=10
((5+5)-(0-0))=10
((5-(0-5))-0)=10
((5-0)+(0+5))=10
((5-0)+(5-0))=10
((5-0)-(0-5))=10
(0+((5+5)-0))=10
(0+(0+(5+5)))=10
(0+(5+(0+5)))=10
(0+(5+(5-0)))=10
(0+(5-(0-5)))=10
(0-((0-5)-5))=10
(0-(0-(5+5)))=10
(5+((0+5)-0))=10
(5+((5-0)-0))=10
(5+(0+(0+5)))=10
(5+(0+(5-0)))=10
(5+(0-(0-5)))=10
(5+(5+(0×0)))=10
(5+(5+(0+0)))=10
(5+(5+(0-0)))=10
(5+(5-(0×0)))=10
(5+(5-(0+0)))=10
(5+(5-(0-0)))=10
(5-((0×0)-5))=10
(5-((0+0)-5))=10
(5-((0-0)-5))=10
(5-((0-5)-0))=10
(5-(0+(0-5)))=10
(5-(0-(0+5)))=10
(5-(0-(5-0)))=10