1678

\(1 = 16 - 7 - 8 \) \(2 = 6! - 718 \) \(3 = 71 - 68 \) \(4 = \frac{ 68 }{ 17 }\)
\(5 = 81 - 76 \) \(6 = ( 71 - 68 )!\) \(7 = \sqrt{67 - 18 }\) \(8 = \sqrt{81} + 6 - 7 \)
\(9 = \frac{ 16 }{ 8 } + 7 \) \(10 = \frac{ 18 }{ 6 } + 7 \) \(11 = 7 - \sqrt{16} + 8 \) \(12 = \frac{ 78 }{ 6 } - 1 \)
\(13 = \frac{ 78 \cdot 1 }{ 6 }\) \(14 = 81 - 67 \) \(15 = 86 - 71 \) \(16 = ( 8 - 7 ) \cdot 16 \)
\(17 = 78 - 61 \) \(18 = ( 7 - 6 ) \cdot 18 \) \(19 = 17 - 6 + 8 \) \(20 = \sqrt{16} \cdot 7 - 8 \)
\(21 = \frac{ 18 }{ 6 } \cdot 7 \) \(22 = \frac{ 176 }{ 8 }\) \(23 = 71 - 6 \cdot 8 \) \(24 = \frac{ 168 }{ 7 }\)
\(25 = \sqrt{617 + 8 }\) \(26 = 87 - 61 \) \(27 = ( 6 - 1 ) \cdot 7 - 8 \) \(28 = ( 8 - \sqrt{16} ) \cdot 7 \)
\(29 = \sqrt{\sqrt{81}}! \cdot 6 - 7 \) \(30 = \frac{ 7! }{ 168 }\) \(31 = 16 + 7 + 8 \) \(32 = 7 \cdot 8 - \sqrt{16 }!\)
\(33 = \frac{ 6! }{ 18 } - 7 \) \(34 = \sqrt{17 \cdot 68 }\) \(35 = 6 \cdot 7 + 1 - 8 \) \(36 = \sqrt{16} \cdot 7 + 8 \)
\(37 = \sqrt{\frac{ 7! }{ 6 } + 1} + 8 \) \(38 = ?\) \(39 = 81 - 6 \cdot 7 \) \(40 = 7 \cdot 8 - 16 \)
\(41 = ( 1 + 6 ) \cdot 7 - 8 \) \(42 = ( \frac{ 18 }{ 6 } )! \cdot 7 \) \(43 = ( 6 - 1 ) \cdot 7 + 8 \) \(44 = ( 7 - 1 ) \cdot 6 + 8 \)
\(45 = \frac{ 6! }{ \sqrt{81} + 7 }\) \(46 = 61 - 7 - 8 \) \(47 = \frac{ 6! }{ 18 } + 7 \) \(48 = ( 7 - 1^{6} ) \cdot 8 \)
\(49 = 67 - 18 \) \(50 = 1 \cdot 6 \cdot 7 + 8 \) \(51 = 68 - 17 \) \(52 = 7 \cdot 8 - \sqrt{16 }\)
\(53 = \sqrt{\sqrt{6^{8}}} + 17 \) \(54 = ( 17 - 8 ) \cdot 6 \) \(55 = 1 \cdot 6 \cdot 8 + 7 \) \(56 = ( 16 - 8 ) \cdot 7 \)
\(57 = 71 - 6 - 8 \) \(58 = 76 - 18 \) \(59 = 67 \cdot 1 - 8 \) \(60 = 6 \cdot 7 + 18 \)
\(61 = 781 - 6 !\) \(62 = 78 - 16 \) \(63 = 87 - \sqrt{16 }!\) \(64 = 67 - \sqrt{\sqrt{81 }}\)
\(65 = 6 \cdot 8 + 17 \) \(66 = ( 18 - 7 ) \cdot 6 \) \(67 = 76 - \sqrt{81 }\) \(68 = 1^{8} + 67 \)
\(69 = 86 - 17 \) \(70 = 67 + \sqrt{\sqrt{81 }}\) \(71 = 87 - 16 \) \(72 = ( 16 - 7 ) \cdot 8 \)
\(73 = 71 - 6 + 8 \) \(74 = 78 - \sqrt{16 }\) \(75 = 67 \cdot 1 + 8 \) \(76 = 67 + \sqrt{81 }\)
\(77 = 1^{8} + 76 \) \(78 = 1^{6} \cdot 78 \) \(79 = 1^{6} + 78 \) \(80 = 81 + 6 - 7 \)
\(81 = ( 7 - 6 ) \cdot 81 \) \(82 = \sqrt{16} + 78 \) \(83 = 87 - \sqrt{16 }\) \(84 = ( 18 - 6 ) \cdot 7 \)
\(85 = 17 + 68 \) \(86 = 1^{7} \cdot 86 \) \(87 = 1^{7} + 86 \) \(88 = ( 17 - 6 ) \cdot 8 \)
\(89 = \sqrt{\sqrt{16}} + 87 \) \(90 = ( 1 \cdot 7 + 8 ) \cdot 6 \) \(91 = \sqrt{16} + 87 \) \(92 = 86 - 1 + 7 \)
\(93 = 86 \cdot 1 + 7 \) \(94 = 16 + 78 \) \(95 = \frac{ 1 + 6! }{ 7 } - 8 \) \(96 = ( \sqrt{81} + 7 ) \cdot 6 \)
\(97 = 817 - 6 !\) \(98 = ( 1 \cdot 6 + 8 ) \cdot 7 \) \(99 = ( 6 + 8 ) \cdot 7 + 1 \) \(100 = ?\)