【メイク10】2,3,4,9を10にする方法





2,3,4,9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。)

52個の解法が見つかりました。


(((4×9)÷3)-2)=10

((2+(3+9))-4)=10

((2+3)+(9-4))=10

((2+3)-(4-9))=10

((2+9)+(3-4))=10

((2+9)-(4-3))=10

((2-4)+(3+9))=10

((3+(2+9))-4)=10

((3+9)+(2-4))=10

((3+9)-(4-2))=10

((3+9)-(4÷2))=10

((3-4)+(2+9))=10

((4×(9÷3))-2)=10

((4÷(3÷9))-2)=10

((9×(4÷3))-2)=10

((9+(2+3))-4)=10

((9-4)+(2+3))=10

((9÷(3÷4))-2)=10

(2+((3+9)-4))=10

(2+(3+(9-4)))=10

(2+(3-(4-9)))=10

(2+(9+(3-4)))=10

(2+(9-(4-3)))=10

(2-((4-3)-9))=10

(2-((4-9)-3))=10

(2-(4-(3+9)))=10

(3+((2+9)-4))=10

(3+(2+(9-4)))=10

(3+(2-(4-9)))=10

(3+(9+(2-4)))=10

(3+(9-(4-2)))=10

(3+(9-(4÷2)))=10

(3-((4-2)-9))=10

(3-((4-9)-2))=10

(3-((4÷2)-9))=10

(3-(4-(2+9)))=10

(4+((2×9)÷3))=10

(4+((3+9)÷2))=10

(4+(2×(9÷3)))=10

(4+(2÷(3÷9)))=10

(4+(9×(2÷3)))=10

(4+(9÷(3÷2)))=10

(9+((2+3)-4))=10

(9+(2+(3-4)))=10

(9+(2-(4-3)))=10

(9+(3+(2-4)))=10

(9+(3-(4-2)))=10

(9+(3-(4÷2)))=10

(9-((4-2)-3))=10

(9-((4-3)-2))=10

(9-((4÷2)-3))=10

(9-(4-(2+3)))=10



make10問題一覧