（ただし１と２を合せて１２のような使い方は出来ません。）
56個の解法が見つかりました。
((0×0)+(2×5))=10
((0+(2×5))-0)=10
((0+0)+(2×5))=10
((0+2)×(0+5))=10
((0+2)×(5-0))=10
((0+5)×(0+2))=10
((0+5)×(2-0))=10
((0-0)+(2×5))=10
((0-2)×(0-5))=10
((0-5)×(0-2))=10
((2×(0+5))-0)=10
((2×(5-0))-0)=10
((2×5)+(0×0))=10
((2×5)+(0+0))=10
((2×5)+(0-0))=10
((2×5)-(0×0))=10
((2×5)-(0+0))=10
((2×5)-(0-0))=10
((2-0)×(0+5))=10
((2-0)×(5-0))=10
((5×(0+2))-0)=10
((5×(2-0))-0)=10
((5-0)×(0+2))=10
((5-0)×(2-0))=10
(0+((2×5)-0))=10
(0+(0+(2×5)))=10
(0+(2×(0+5)))=10
(0+(2×(5-0)))=10
(0+(5×(0+2)))=10
(0+(5×(2-0)))=10
(0-(0-(2×5)))=10
(0-(2×(0-5)))=10
(0-(5×(0-2)))=10
(2×((0+5)-0))=10
(2×((5-0)-0))=10
(2×(0+(0+5)))=10
(2×(0+(5-0)))=10
(2×(0-(0-5)))=10
(2×(5+(0×0)))=10
(2×(5+(0+0)))=10
(2×(5+(0-0)))=10
(2×(5-(0×0)))=10
(2×(5-(0+0)))=10
(2×(5-(0-0)))=10
(5×((0+2)-0))=10
(5×((2-0)-0))=10
(5×(0+(0+2)))=10
(5×(0+(2-0)))=10
(5×(0-(0-2)))=10
(5×(2+(0×0)))=10
(5×(2+(0+0)))=10
(5×(2+(0-0)))=10
(5×(2-(0×0)))=10
(5×(2-(0+0)))=10
(5×(2-(0-0)))=10