任选四个1至13之家的自然数,将这四个数(每个数只能用1次)进行“+、-、*、/”四种运算,是结果为24.

3个回答

  • 1:3 × (4 - 6 + 10)

    2:3 × ((4 - 6) + 10)

    3:3 × (4 - (6 - 10))

    4:3 × (4 + 10 - 6)

    5:3 × ((4 + 10) - 6)

    6:3 × (4 + (10 - 6))

    7:3 × 6 - 4 + 10

    8:(3 × 6) - 4 + 10

    9:(3 × 6 - 4) + 10

    10:((3 × 6) - 4) + 10

    11:3 × 6 -(4 - 10)

    12:(3 × 6) - (4 - 10)

    13:3 × 6 + 10 - 4

    14:(3 × 6) + 10 - 4

    15:(3 × 6 + 10) - 4

    16:((3 × 6) + 10) - 4

    17:3 × 6 +(10 - 4)

    18:(3 × 6) + (10 - 4)

    19:3 × (10 + 4 - 6)

    20:3 × ((10 + 4) - 6)

    21:3 × (10 + (4 - 6))

    22:(3 × (10 - 4)) + 6

    23:3 × (10 - 4) + 6

    24:3 × (10 - 6 + 4)

    25:3 × ((10 - 6) + 4)

    26:3 × (10 - (6 - 4))

    27:4 + 6 ÷ 3 × 10

    28:4 + (6 ÷ 3) × 10

    29:4 + (6 ÷ 3 × 10)

    30:4 + ((6 ÷ 3) × 10)

    31:4 + (6 ÷ (3 ÷ 10))

    32:4 + 6 ÷(3 ÷ 10)

    33:4 + 6 × 10 ÷ 3

    34:4 + (6 × 10) ÷ 3

    35:4 + (6 × 10 ÷ 3)

    36:4 + ((6 × 10) ÷ 3)

    37:4 + (6 × (10 ÷ 3))

    38:4 + 6 ×(10 ÷ 3)

    39:(4 - 6 + 10) × 3

    40:((4 - 6) + 10) × 3

    41:(4 - (6 - 10)) × 3

    42:4 + 10 ÷ 3 × 6

    43:4 + (10 ÷ 3) × 6

    44:4 + (10 ÷ 3 × 6)

    45:4 + ((10 ÷ 3) × 6)

    46:4 + (10 ÷ (3 ÷ 6))

    47:4 + 10 ÷(3 ÷ 6)

    48:(4 + 10 - 6) × 3

    49:((4 + 10) - 6) × 3

    50:(4 + (10 - 6)) × 3

    51:4 + 10 × 6 ÷ 3

    52:4 + (10 × 6) ÷ 3

    53:4 + (10 × 6 ÷ 3)

    54:4 + ((10 × 6) ÷ 3)

    55:4 + (10 × (6 ÷ 3))

    56:4 + 10 ×(6 ÷ 3)

    57:6 - (3 × (4 - 10))

    58:6 - 3 ×(4 - 10)

    59:6 × 3 - 4 + 10

    60:(6 × 3) - 4 + 10

    61:(6 × 3 - 4) + 10

    62:((6 × 3) - 4) + 10

    63:6 × 3 -(4 - 10)

    64:(6 × 3) - (4 - 10)

    65:6 + (3 × (10 - 4))

    66:6 + 3 ×(10 - 4)

    67:6 × 3 + 10 - 4

    68:(6 × 3) + 10 - 4

    69:(6 × 3 + 10) - 4

    70:((6 × 3) + 10) - 4

    71:6 × 3 +(10 - 4)

    72:(6 × 3) + (10 - 4)

    73:6 ÷ 3 × 10 + 4

    74:(6 ÷ 3) × 10 + 4

    75:(6 ÷ 3 × 10) + 4

    76:((6 ÷ 3) × 10) + 4

    77:(6 ÷ (3 ÷ 10)) + 4

    78:6 ÷ (3 ÷ 10) + 4

    79:6 - (4 - 10) × 3

    80:6 - ((4 - 10) × 3)

    81:6 × 10 ÷ 3 + 4

    82:(6 × 10) ÷ 3 + 4

    83:(6 × 10 ÷ 3) + 4

    84:((6 × 10) ÷ 3) + 4

    85:(6 × (10 ÷ 3)) + 4

    86:6 × (10 ÷ 3) + 4

    87:6 + (10 - 4) × 3

    88:6 + ((10 - 4) × 3)

    89:10 + 3 × 6 - 4

    90:(10 + 3 × 6) - 4

    91:(10 + (3 × 6)) - 4

    92:10 + (3 × 6) - 4

    93:10 + (3 × 6 - 4)

    94:10 + ((3 × 6) - 4)

    95:10 ÷ 3 × 6 + 4

    96:(10 ÷ 3) × 6 + 4

    97:(10 ÷ 3 × 6) + 4

    98:((10 ÷ 3) × 6) + 4

    99:(10 ÷ (3 ÷ 6)) + 4

    100:10 ÷ (3 ÷ 6) + 4

    101:10 - 4 + 3 × 6

    102:(10 - 4) + 3 × 6

    103:10 - 4 +(3 × 6)

    104:(10 - 4) + (3 × 6)

    105:10 - (4 - 3 × 6)

    106:10 - (4 - (3 × 6))

    107:(10 - 4) × 3 + 6

    108:((10 - 4) × 3) + 6

    109:(10 + 4 - 6) × 3

    110:((10 + 4) - 6) × 3

    111:(10 + (4 - 6)) × 3

    112:10 - 4 + 6 × 3

    113:(10 - 4) + 6 × 3

    114:10 - 4 +(6 × 3)

    115:(10 - 4) + (6 × 3)

    116:10 - (4 - 6 × 3)

    117:10 - (4 - (6 × 3))

    118:10 + 6 × 3 - 4

    119:(10 + 6 × 3) - 4

    120:(10 + (6 × 3)) - 4

    121:10 + (6 × 3) - 4

    122:10 + (6 × 3 - 4)

    123:10 + ((6 × 3) - 4)

    124:10 × 6 ÷ 3 + 4

    125:(10 × 6) ÷ 3 + 4

    126:(10 × 6 ÷ 3) + 4

    127:((10 × 6) ÷ 3) + 4

    128:(10 × (6 ÷ 3)) + 4

    129:10 × (6 ÷ 3) + 4

    130:(10 - 6 + 4) × 3

    131:((10 - 6) + 4) × 3

    132:(10 - (6 - 4)) × 3