【メイク10】1,5,5,9を10にする方法





1,5,5,9と四則演算(+−×÷)を使用して10にする方法を紹介します。これはMake10、切符パズルなどと言います。

(ただし1と2を合せて12のような使い方は出来ません。)

61個の解法が見つかりました。


((1×9)+(5÷5))=10

((1+(5+9))-5)=10

((1+5)+(9-5))=10

((1+5)-(5-9))=10

((1+9)×(5÷5))=10

((1+9)+(5-5))=10

((1+9)-(5-5))=10

((1+9)÷(5÷5))=10

((1-5)+(5+9))=10

((5×(1+9))÷5)=10

((5+(1+9))-5)=10

((5+9)+(1-5))=10

((5+9)-(5-1))=10

((5-5)+(1+9))=10

((5÷5)×(1+9))=10

((5÷5)+(1×9))=10

((5÷5)+(9÷1))=10

((9+(1+5))-5)=10

((9+(5÷5))÷1)=10

((9-5)+(1+5))=10

((9÷1)+(5÷5))=10

(1×(9+(5÷5)))=10

(1+((5×9)÷5))=10

(1+((5+9)-5))=10

(1+(5×(9÷5)))=10

(1+(5+(9-5)))=10

(1+(5-(5-9)))=10

(1+(5÷(5÷9)))=10

(1+(9×(5÷5)))=10

(1+(9+(5-5)))=10

(1+(9-(5-5)))=10

(1+(9÷(5÷5)))=10

(1-((5-5)-9))=10

(1-((5-9)-5))=10

(1-(5-(5+9)))=10

(5×((1+9)÷5))=10

(5+((1+9)-5))=10

(5+(1+(9-5)))=10

(5+(1-(5-9)))=10

(5+(9+(1-5)))=10

(5+(9-(5-1)))=10

(5-((5-1)-9))=10

(5-((5-9)-1))=10

(5-(5-(1+9)))=10

(5÷(5÷(1+9)))=10

(9+((1×5)÷5))=10

(9+((1+5)-5))=10

(9+((5÷1)÷5))=10

(9+((5÷5)÷1))=10

(9+(1×(5÷5)))=10

(9+(1+(5-5)))=10

(9+(1-(5-5)))=10

(9+(1÷(5÷5)))=10

(9+(5×(1÷5)))=10

(9+(5+(1-5)))=10

(9+(5-(5-1)))=10

(9+(5÷(1×5)))=10

(9+(5÷(5÷1)))=10

(9-((5-1)-5))=10

(9-((5-5)-1))=10

(9-(5-(1+5)))=10



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