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  • 2、7、8、11算24點

    2、7、8、11算24點
    用加減乘除四種運算符號把2、7、8、11算出得數(shù)24(每個數(shù)字不得重算或遺漏)有幾種算法,都寫出來啊··急啊···
    數(shù)學(xué)人氣:761 ℃時間:2019-10-19 08:05:46
    優(yōu)質(zhì)解答
    1:(2 脳 7 - 11) 脳 8
    2:((2 脳 7) - 11) 脳 8
    3:(2 - 8) 脳 (7 - 11)
    4:2 脳 (8 - 7 + 11)
    5:2 脳 ((8 - 7) + 11)
    6:2 脳 (8 - (7 - 11))
    7:2 脳 (8 + 11 - 7)
    8:2 脳 ((8 + 11) - 7)
    9:2 脳 (8 + (11 - 7))
    10:2 脳 (11 - 7 + 8)
    11:2 脳 ((11 - 7) + 8)
    12:2 脳 (11 - (7 - 8))
    13:2 脳 (11 + 8 - 7)
    14:2 脳 ((11 + 8) - 7)
    15:2 脳 (11 + (8 - 7))
    16:7 - 2 + 8 + 11
    17:(7 - 2) + 8 + 11
    18:(7 - 2 + 8) + 11
    19:((7 - 2) + 8) + 11
    20:7 - 2 +(8 + 11)
    21:(7 - 2) + (8 + 11)
    22:(7 - (2 - 8)) + 11
    23:7 - (2 - 8) + 11
    24:7 - (2 - (8 + 11))
    25:7 - (2 - 8 - 11)
    26:7 - ((2 - 8) - 11)
    27:7 - 2 + 11 + 8
    28:(7 - 2) + 11 + 8
    29:(7 - 2 + 11) + 8
    30:((7 - 2) + 11) + 8
    31:7 - 2 +(11 + 8)
    32:(7 - 2) + (11 + 8)
    33:(7 - (2 - 11)) + 8
    34:7 - (2 - 11) + 8
    35:7 - (2 - (11 + 8))
    36:7 - (2 - 11 - 8)
    37:7 - ((2 - 11) - 8)
    38:(7 脳 2 - 11) 脳 8
    39:((7 脳 2) - 11) 脳 8
    40:7 + 8 - 2 + 11
    41:(7 + 8) - 2 + 11
    42:(7 + 8 - 2) + 11
    43:((7 + 8) - 2) + 11
    44:(7 + (8 - 2)) + 11
    45:7 + (8 - 2) + 11
    46:7 + (8 - 2 + 11)
    47:7 + ((8 - 2) + 11)
    48:7 + (8 - (2 - 11))
    49:7 + 8 -(2 - 11)
    50:(7 + 8) - (2 - 11)
    51:7 + 8 + 11 - 2
    52:(7 + 8) + 11 - 2
    53:(7 + 8 + 11) - 2
    54:((7 + 8) + 11) - 2
    55:(7 + (8 + 11)) - 2
    56:7 + (8 + 11) - 2
    57:7 + (8 + 11 - 2)
    58:7 + ((8 + 11) - 2)
    59:7 + (8 + (11 - 2))
    60:7 + 8 +(11 - 2)
    61:(7 + 8) + (11 - 2)
    62:7 + 11 - 2 + 8
    63:(7 + 11) - 2 + 8
    64:(7 + 11 - 2) + 8
    65:((7 + 11) - 2) + 8
    66:(7 + (11 - 2)) + 8
    67:7 + (11 - 2) + 8
    68:7 + (11 - 2 + 8)
    69:7 + ((11 - 2) + 8)
    70:7 + (11 - (2 - 8))
    71:7 + 11 -(2 - 8)
    72:(7 + 11) - (2 - 8)
    73:(7 - 11) 脳 (2 - 8)
    74:7 + 11 + 8 - 2
    75:(7 + 11) + 8 - 2
    76:(7 + 11 + 8) - 2
    77:((7 + 11) + 8) - 2
    78:(7 + (11 + 8)) - 2
    79:7 + (11 + 8) - 2
    80:7 + (11 + 8 - 2)
    81:7 + ((11 + 8) - 2)
    82:7 + (11 + (8 - 2))
    83:7 + 11 +(8 - 2)
    84:(7 + 11) + (8 - 2)
    85:8 - 2 + 7 + 11
    86:(8 - 2) + 7 + 11
    87:(8 - 2 + 7) + 11
    88:((8 - 2) + 7) + 11
    89:8 - 2 +(7 + 11)
    90:(8 - 2) + (7 + 11)
    91:(8 - (2 - 7)) + 11
    92:8 - (2 - 7) + 11
    93:8 - (2 - (7 + 11))
    94:8 - (2 - 7 - 11)
    95:8 - ((2 - 7) - 11)
    96:8 脳 (2 脳 7 - 11)
    97:8 脳 ((2 脳 7) - 11)
    98:8 - 2 + 11 + 7
    99:(8 - 2) + 11 + 7
    100:(8 - 2 + 11) + 7
    101:((8 - 2) + 11) + 7
    102:8 - 2 +(11 + 7)
    103:(8 - 2) + (11 + 7)
    104:(8 - (2 - 11)) + 7
    105:8 - (2 - 11) + 7
    106:8 - (2 - (11 + 7))
    107:8 - (2 - 11 - 7)
    108:8 - ((2 - 11) - 7)
    109:(8 - 2) 脳 (11 - 7)
    110:8 + 7 - 2 + 11
    111:(8 + 7) - 2 + 11
    112:(8 + 7 - 2) + 11
    113:((8 + 7) - 2) + 11
    114:(8 + (7 - 2)) + 11
    115:8 + (7 - 2) + 11
    116:8 + (7 - 2 + 11)
    117:8 + ((7 - 2) + 11)
    118:8 + (7 - (2 - 11))
    119:8 + 7 -(2 - 11)
    120:(8 + 7) - (2 - 11)
    121:8 脳 (7 脳 2 - 11)
    122:8 脳 ((7 脳 2) - 11)
    123:8 + 7 + 11 - 2
    124:(8 + 7) + 11 - 2
    125:(8 + 7 + 11) - 2
    126:((8 + 7) + 11) - 2
    127:(8 + (7 + 11)) - 2
    128:8 + (7 + 11) - 2
    129:8 + (7 + 11 - 2)
    130:8 + ((7 + 11) - 2)
    131:8 + (7 + (11 - 2))
    132:8 + 7 +(11 - 2)
    133:(8 + 7) + (11 - 2)
    134:(8 - 7 + 11) 脳 2
    135:((8 - 7) + 11) 脳 2
    136:(8 - (7 - 11)) 脳 2
    137:8 + 11 - 2 + 7
    138:(8 + 11) - 2 + 7
    139:(8 + 11 - 2) + 7
    140:((8 + 11) - 2) + 7
    141:(8 + (11 - 2)) + 7
    142:8 + (11 - 2) + 7
    143:8 + (11 - 2 + 7)
    144:8 + ((11 - 2) + 7)
    145:8 + (11 - (2 - 7))
    146:8 + 11 -(2 - 7)
    147:(8 + 11) - (2 - 7)
    148:8 + 11 + 7 - 2
    149:(8 + 11) + 7 - 2
    150:(8 + 11 + 7) - 2
    151:((8 + 11) + 7) - 2
    152:(8 + (11 + 7)) - 2
    153:8 + (11 + 7) - 2
    154:8 + (11 + 7 - 2)
    155:8 + ((11 + 7) - 2)
    156:8 + (11 + (7 - 2))
    157:8 + 11 +(7 - 2)
    158:(8 + 11) + (7 - 2)
    159:(8 + 11 - 7) 脳 2
    160:((8 + 11) - 7) 脳 2
    161:(8 + (11 - 7)) 脳 2
    162:11 - 2 + 7 + 8
    163:(11 - 2) + 7 + 8
    164:(11 - 2 + 7) + 8
    165:((11 - 2) + 7) + 8
    166:11 - 2 +(7 + 8)
    167:(11 - 2) + (7 + 8)
    168:(11 - (2 - 7)) + 8
    169:11 - (2 - 7) + 8
    170:11 - (2 - (7 + 8))
    171:11 - (2 - 7 - 8)
    172:11 - ((2 - 7) - 8)
    173:11 - 2 + 8 + 7
    174:(11 - 2) + 8 + 7
    175:(11 - 2 + 8) + 7
    176:((11 - 2) + 8) + 7
    177:11 - 2 +(8 + 7)
    178:(11 - 2) + (8 + 7)
    179:(11 - (2 - 8)) + 7
    180:11 - (2 - 8) + 7
    181:11 - (2 - (8 + 7))
    182:11 - (2 - 8 - 7)
    183:11 - ((2 - 8) - 7)
    184:11 + 7 - 2 + 8
    185:(11 + 7) - 2 + 8
    186:(11 + 7 - 2) + 8
    187:((11 + 7) - 2) + 8
    188:(11 + (7 - 2)) + 8
    189:11 + (7 - 2) + 8
    190:11 + (7 - 2 + 8)
    191:11 + ((7 - 2) + 8)
    192:11 + (7 - (2 - 8))
    193:11 + 7 -(2 - 8)
    194:(11 + 7) - (2 - 8)
    195:11 + 7 + 8 - 2
    196:(11 + 7) + 8 - 2
    197:(11 + 7 + 8) - 2
    198:((11 + 7) + 8) - 2
    199:(11 + (7 + 8)) - 2
    200:11 + (7 + 8) - 2
    201:11 + (7 + 8 - 2)
    202:11 + ((7 + 8) - 2)
    203:11 + (7 + (8 - 2))
    204:11 + 7 +(8 - 2)
    205:(11 + 7) + (8 - 2)
    206:(11 - 7 + 8) 脳 2
    207:((11 - 7) + 8) 脳 2
    208:(11 - (7 - 8)) 脳 2
    209:(11 - 7) 脳 (8 - 2)
    210:11 + 8 - 2 + 7
    211:(11 + 8) - 2 + 7
    212:(11 + 8 - 2) + 7
    213:((11 + 8) - 2) + 7
    214:(11 + (8 - 2)) + 7
    215:11 + (8 - 2) + 7
    216:11 + (8 - 2 + 7)
    217:11 + ((8 - 2) + 7)
    218:11 + (8 - (2 - 7))
    219:11 + 8 -(2 - 7)
    220:(11 + 8) - (2 - 7)
    221:11 + 8 + 7 - 2
    222:(11 + 8) + 7 - 2
    223:(11 + 8 + 7) - 2
    224:((11 + 8) + 7) - 2
    225:(11 + (8 + 7)) - 2
    226:11 + (8 + 7) - 2
    227:11 + (8 + 7 - 2)
    228:11 + ((8 + 7) - 2)
    229:11 + (8 + (7 - 2))
    230:11 + 8 +(7 - 2)
    231:(11 + 8) + (7 - 2)
    232:(11 + 8 - 7) 脳 2
    233:((11 + 8) - 7) 脳 2
    234:(11 + (8 - 7)) 脳 2
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