1779

\(1 = 17 - 7 - 9 \) \(2 = \frac{ 17 - \sqrt{9} }{ 7 }\) \(3 = \sqrt{9}!! - 717 \) \(4 = 7 \cdot \sqrt{9} - 17 \)
\(5 = 19 - 7 - 7 \) \(6 = \frac{ 91 }{ 7 } - 7 \) \(7 = 17 - 7 - \sqrt{9 }\) \(8 = 79 - 71 \)
\(9 = 1 \cdot 7 - 7 + 9 \) \(10 = ( 1^{7} )^{7} + 9 \) \(11 = \frac{ 7 }{ 7 } + 1 + 9 \) \(12 = \frac{ 91 - 7 }{ 7 }\)
\(13 = 17 - 7 + \sqrt{9 }\) \(14 = 91 - 77 \) \(15 = 17 + 7 - 9 \) \(16 = 1^{7} \cdot 7 + 9 \)
\(17 = \sqrt{17^{9 - 7 }}\) \(18 = 19 - \frac{ 7 }{ 7 }\) \(19 = 17 - 7 + 9 \) \(20 = \frac{ 7 }{ 7 } + 19 \)
\(21 = 17 + 7 - \sqrt{9 }\) \(22 = 7 - 1 + 7 + 9 \) \(23 = 1 \cdot 7 + 7 + 9 \) \(24 = \sqrt{( 71 - 7 ) \cdot 9 }\)
\(25 = 7 \cdot \sqrt{9}! - 17 \) \(26 = 97 - 71 \) \(27 = 17 + 7 + \sqrt{9 }\) \(28 = \sqrt{791 - 7 }\)
\(29 = 71 - 7 \cdot \sqrt{9 }!\) \(30 = 7 \cdot 7 - 19 \) \(31 = ( 1 + 7 ) \cdot \sqrt{9} + 7 \) \(32 = ( 1 + 7 ) \cdot ( 7 - \sqrt{9 } )\)
\(33 = 17 + 7 + 9 \) \(34 = ( 9 - 7 ) \cdot 17 \) \(35 = ( 1 + 7 - \sqrt{9} ) \cdot 7 \) \(36 = ( 7 - 1 )^{9 - 7 }\)
\(37 = \frac{ 9! }{ 7! + 7! } + 1 \) \(38 = 7 \cdot \sqrt{9} + 17 \) \(39 = 7 \cdot 7 - 1 - 9 \) \(40 = 1 \cdot 7 \cdot 7 - 9 \)
\(41 = 7 \cdot 7 + 1 - 9 \) \(42 = 91 - 7 \cdot 7 \) \(43 = ( 7 + 7 ) \cdot \sqrt{9} + 1 \) \(44 = 17 \cdot \sqrt{9} - 7 \)
\(45 = ( 1 + 7 + 7 ) \cdot \sqrt{9 }\) \(46 = 7 \cdot 9 - 17 \) \(47 = ( 1 + 7 ) \cdot 7 - 9 \) \(48 = 7^{9 - 7} - 1 \)
\(49 = 7^{9 - 1 \cdot 7 }\) \(50 = 71 - 7 \cdot \sqrt{9 }\) \(51 = 771 - \sqrt{9 }!!\) \(52 = 1 \cdot 7 \cdot 7 + \sqrt{9 }\)
\(53 = 77 - ( 1 + \sqrt{9 } )!\) \(54 = ( 7 - 1^{7} ) \cdot 9 \) \(55 = 71 - 7 - 9 \) \(56 = ( 17 - 9 ) \cdot 7 \)
\(57 = 7 \cdot 7 - 1 + 9 \) \(58 = 77 - 19 \) \(59 = \frac{ 177 }{ \sqrt{9 } }\) \(60 = \frac{ 7! }{ 91 - 7 }\)
\(61 = 71 - 7 - \sqrt{9 }\) \(62 = 79 - 17 \) \(63 = \frac{ 7! }{ 71 + 9 }\) \(64 = 1^{7} + 7 \cdot 9 \)
\(65 = ( 1 + 7 ) \cdot 7 + 9 \) \(66 = \frac{ 9! }{ 7! } + 1 - 7 \) \(67 = 77 - 1 - 9 \) \(68 = 7 \cdot 7 + 19 \)
\(69 = 71 + 7 - 9 \) \(70 = ( 1^{7} + 9 ) \cdot 7 \) \(71 = 79 - 1 - 7 \) \(72 = 79 \cdot 1 - 7 \)
\(73 = 71 - 7 + 9 \) \(74 = 77 \cdot 1 - \sqrt{9 }\) \(75 = 71 + 7 - \sqrt{9 }\) \(76 = 77 - 1^{9 }\)
\(77 = 1^{9} \cdot 77 \) \(78 = 1^{9} + 77 \) \(79 = 1^{7} \cdot 79 \) \(80 = 97 - 17 \)
\(81 = 71 + 7 + \sqrt{9 }\) \(82 = 77 - 1 + \sqrt{9 }!\) \(83 = 77 \cdot 1 + \sqrt{9 }!\) \(84 = ( 19 - 7 ) \cdot 7 \)
\(85 = 77 - 1 + 9 \) \(86 = 77 \cdot 1 + 9 \) \(87 = 71 + 7 + 9 \) \(88 = \sqrt{\sqrt{9}^{1 + 7}} + 7 \)
\(89 = 97 - 1 - 7 \) \(90 = ( 17 - 7 ) \cdot 9 \) \(91 = \frac{ 91 }{ 7 } \cdot 7 \) \(92 = \frac{ 7 }{ 7 } + 91 \)
\(93 = ?\) \(94 = ?\) \(95 = 17 \cdot \sqrt{9}! - 7 \) \(96 = 17 + 79 \)
\(97 = 1^{7} \cdot 97 \) \(98 = 1^{7} + 97 \) \(99 = ?\) \(100 = \sqrt{\sqrt{( 7 + \sqrt{9} )^{1 + 7 }}}\)