(ただし1と2を合せて12のような使い方は出来ません。)
35個の解法が見つかりました。
((4+6)×(6÷6))=10
((4+6)+(6-6))=10
((4+6)-(6-6))=10
((4+6)÷(6÷6))=10
((4-6)+(6+6))=10
((6×(4+6))÷6)=10
((6+(4+6))-6)=10
((6+6)+(4-6))=10
((6+6)-(6-4))=10
((6-6)+(4+6))=10
((6÷6)×(4+6))=10
(4+((6×6)÷6))=10
(4+((6+6)-6))=10
(4+(6×(6÷6)))=10
(4+(6+(6-6)))=10
(4+(6-(6-6)))=10
(4+(6÷(6÷6)))=10
(4-((6-6)-6))=10
(4-(6-(6+6)))=10
(6×((4+6)÷6))=10
(6+((4×6)÷6))=10
(6+((4+6)-6))=10
(6+(4×(6÷6)))=10
(6+(4+(6-6)))=10
(6+(4-(6-6)))=10
(6+(4÷(6÷6)))=10
(6+(6×(4÷6)))=10
(6+(6+(4-6)))=10
(6+(6-(6-4)))=10
(6+(6÷(6÷4)))=10
(6-((6-4)-6))=10
(6-((6-6)-4))=10
(6-(6-(4+6)))=10
(6÷(6÷(4+6)))=10