(ただし1と2を合せて12のような使い方は出来ません。)
54個の解法が見つかりました。
(((5×8)÷4)-0)=10
((0+(5×8))÷4)=10
((0+5)×(8÷4))=10
((0+5)÷(4÷8))=10
((0+8)×(5÷4))=10
((0+8)÷(4÷5))=10
((5×(0+8))÷4)=10
((5×(8-0))÷4)=10
((5×(8÷4))-0)=10
((5×8)÷(0+4))=10
((5×8)÷(4-0))=10
((5-0)×(8÷4))=10
((5-0)÷(4÷8))=10
((5÷(4÷8))-0)=10
((5÷4)×(0+8))=10
((5÷4)×(8-0))=10
((8×(0+5))÷4)=10
((8×(5-0))÷4)=10
((8×(5÷4))-0)=10
((8-0)×(5÷4))=10
((8-0)÷(4÷5))=10
((8÷(4÷5))-0)=10
((8÷4)×(0+5))=10
((8÷4)×(5-0))=10
(0+((5×8)÷4))=10
(0+(5×(8÷4)))=10
(0+(5÷(4÷8)))=10
(0+(8×(5÷4)))=10
(0+(8÷(4÷5)))=10
(5×((0+8)÷4))=10
(5×((8-0)÷4))=10
(5×((8÷4)-0))=10
(5×(0+(8÷4)))=10
(5×(8÷(0+4)))=10
(5×(8÷(4-0)))=10
(5÷((0+4)÷8))=10
(5÷((4-0)÷8))=10
(5÷((4÷8)-0))=10
(5÷(0+(4÷8)))=10
(5÷(4÷(0+8)))=10
(5÷(4÷(8-0)))=10
(8×((0+5)÷4))=10
(8×((5-0)÷4))=10
(8×((5÷4)-0))=10
(8×(0+(5÷4)))=10
(8×(5÷(0+4)))=10
(8×(5÷(4-0)))=10
(8÷((0+4)÷5))=10
(8÷((4-0)÷5))=10
(8÷((4÷5)-0))=10
(8÷(0+(4÷5)))=10
(8÷(4÷(0+5)))=10
(8÷(4÷(5-0)))=10