วันพฤหัสบดีที่ 20 กันยายน พ.ศ. 2555

23 โจทย์ที่มีเพียง 1 หรือ 2 คำตอบ

[1, 1, 1, 8]
    1. (((1+1)+1))*8 = 24
    2. 8*(1+(1+1)) = 24

[1, 2, 7, 7]
    1. (((7*7)-1))/2 = 24

[1, 3, 4, 6]
    1. 6/(1-(3/4)) = 24

[1, 4, 5, 6]
    1. 4/(1-(5/6)) = 24
    2. 6/(1-(5/4)) = 24

[1, 5, 5, 5]
    1. (((1/5)-5))*5 = 24
    2. 5*(5-(1/5)) = 24

[1, 6, 6, 8]
    1. 6/(1-(6/8)) = 24

[2, 5, 5, 8]
    1. (((5/5)+2))*8 = 24
    2. 8*(2+(5/5)) = 24

[3, 3, 3, 3]
    1. -(3-(3*(3*3))) = 24
    2. (((3*3)*3))-3 = 24

[3, 3, 3, 9]
    1. (((3/3)-9))*3 = 24
    2. 3*(9-(3/3)) = 24

[3, 3, 5, 5]
    1. (3/3)-(5*5) = 24
    2. (5*5)-(3/3) = 24

[3, 3, 6, 6]
    1. 3*(6+(6/3)) = 24
    2. (((6/3)+6))*3 = 24

[3, 3, 7, 7]
    1. (((3/7)+3))*7 = 24
    2. 7*(3+(3/7)) = 24

[3, 3, 8, 8]
    1. 8/(3-(8/3)) = 24

[4, 4, 4, 5]
    1. ((4/4)+5)*4 = 24
    2. 4*(5+(4/4)) = 24

[4, 4, 7, 7]
    1. -(((4/7)-4)*7) = 24
    2. 7*(4-(4/7)) = 24

[4, 5, 5, 7]
    1. 4*(7-(5/5)) = 24
    2. -(((5/5)-7)*4) = 24

[4, 5, 5, 8]
    1. -(((5/5)-4)*8) = 24
    2. 8*(4-(5/5)) = 24

[4, 5, 9, 9]
    1. 4*(5+(9/9)) = 24
    2. ((9/9)+5)*4 = 24

[4, 7, 7, 7]
    1. 4*(7-(7/7)) = 24
    2. -(((7/7)-7)*4) = 24

[5, 5, 8, 8]
    1. (5*5)-(8/8) = 24
    2. -((8/8)-(5*5)) = 24

[5, 5, 9, 9]
    1. (5*5)-(9/9) = 24
    2. -((9/9)-(5*5)) = 24

[5, 6, 6, 6]
    1. 6*(5-(6/6)) = 24
    2. -(((6/6)-5)*6) = 24

[5, 6, 7, 7]
    1. 6*(5-(7/7)) = 24
    2. -((((7/7)-5))*6) = 24

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