All 100 targets have a solution.
\(1 = 92 - 91 \)
\(2 = \frac{ 12 }{ 9 - \sqrt{9 } }\)
\(3 = \frac{ 9 }{ 12 - 9 }\)
\(4 = \frac{ 12 \cdot \sqrt{9} }{ 9 }\)
\(5 = \frac{ 19 - 9 }{ 2 }\)
\(6 = 9 - ( 12 - 9 )\)
\(7 = \frac{ 12 + 9 }{ \sqrt{9 } }\)
\(8 = 19 - 2 - 9 \)
\(9 = 1^{29} \cdot 9 \)
\(10 = 29 - 19 \)
\(11 = 12 - \frac{ 9 }{ 9 }\)
\(12 = 12 - 9 + 9 \)
\(13 = \frac{ 9 }{ 9 } + 12 \)
\(14 = \frac{ 19 + 9 }{ 2 }\)
\(15 = ( 12 - 9 )! + 9 \)
\(16 = \frac{ 21 }{ \sqrt{9} } + 9 \)
\(17 = 9 - ( 2 - 1 ) + 9 \)
\(18 = 12 - \sqrt{9} + 9 \)
\(19 = 29 - 1 - 9 \)
\(20 = ( 19 - 9 ) \cdot 2 \)
\(21 = 21 - 9 + 9 \)
\(22 = \frac{ 9 }{ 9 } + 21 \)
\(23 = \frac{ 92 }{ 1 + \sqrt{9 } }\)
\(24 = \sqrt{192 \cdot \sqrt{9 }}\)
\(25 = 2 \cdot \sqrt{9} + 19 \)
\(26 = 19 - 2 + 9 \)
\(27 = ( 12 - 9 ) \cdot 9 \)
\(28 = 29 - 1^{9 }\)
\(29 = 19 \cdot 2 - 9 \)
\(30 = 12 + 9 + 9 \)
\(31 = 29 - 1 + \sqrt{9 }\)
\(32 = \frac{ 192 }{ \sqrt{9 }! }\)
\(33 = \frac{ 99 }{ 1 + 2 }\)
\(34 = ( 9 - 1 + 9 ) \cdot 2 \)
\(35 = 19 \cdot 2 - \sqrt{9 }\)
\(36 = \frac{ 12 }{ \sqrt{9} } \cdot 9 \)
\(37 = 2 \cdot 9 + 19 \)
\(38 = 29 \cdot 1 + 9 \)
\(39 = 21 + 9 + 9 \)
\(40 = \frac{ 9 \cdot 9 - 1 }{ 2 }\)
\(41 = \frac{ 91 - 9 }{ 2 }\)
\(42 = \sqrt{9}! \cdot 9 - 12 \)
\(43 = \frac{ 129 }{ \sqrt{9 } }\)
\(44 = ( 19 + \sqrt{9} ) \cdot 2 \)
\(45 = 12 \cdot \sqrt{9} + 9 \)
\(46 = \frac{ 92 }{ \sqrt{9} - 1 }\)
\(47 = 19 \cdot 2 + 9 \)
\(48 = 19 + 29 \)
\(49 = \frac{ 99 - 1 }{ 2 }\)
\(50 = \frac{ 91 + 9 }{ 2 }\)
\(51 = ( 19 - 2 ) \cdot \sqrt{9 }\)
\(52 = ( \sqrt{9} \cdot 9 - 1 ) \cdot 2 \)
\(53 = ( 1 + \sqrt{9} )! + 29 \)
\(54 = ( 12 - 9 )! \cdot 9 \)
\(55 = 19 \cdot \sqrt{9} - 2 \)
\(56 = ( 19 + 9 ) \cdot 2 \)
\(57 = \sqrt{19^{2} \cdot 9 }\)
\(58 = ( \sqrt{9} - 1 ) \cdot 29 \)
\(59 = 19 \cdot \sqrt{9} + 2 \)
\(60 = 9 \cdot 9 - 21 \)
\(61 = ( 9 - 1 )^{2} - \sqrt{9 }\)
\(62 = 91 - 29 \)
\(63 = ( 12 + 9 ) \cdot \sqrt{9 }\)
\(64 = \frac{ 192 }{ \sqrt{9 } }\)
\(65 = 2^{9 - \sqrt{9}} + 1 \)
\(66 = \sqrt{9}! \cdot 9 + 12 \)
\(67 = ( 9 - 1 )^{2} + \sqrt{9 }\)
\(68 = 92 - ( 1 + \sqrt{9 } )!\)
\(69 = 9 \cdot 9 - 12 \)
\(70 = ( 9 - 1 ) \cdot 9 - 2 \)
\(71 = 9^{2} - 1 - 9 \)
\(72 = ( 9 - \sqrt{9} ) \cdot 12 \)
\(73 = 92 - 19 \)
\(74 = ( 9 - 1 ) \cdot 9 + 2 \)
\(75 = \sqrt{9}! \cdot 9 + 21 \)
\(76 = ( \sqrt{9}! - 2 ) \cdot 19 \)
\(77 = 9^{2} - 1 - \sqrt{9 }\)
\(78 = 99 - 21 \)
\(79 = 1 \cdot 9 \cdot 9 - 2 \)
\(80 = 91 - 2 - 9 \)
\(81 = ( 12 - \sqrt{9} ) \cdot 9 \)
\(82 = 92 - 1 - 9 \)
\(83 = 92 \cdot 1 - 9 \)
\(84 = 91 + 2 - 9 \)
\(85 = 91 - 2 \cdot \sqrt{9 }\)
\(86 = 29 \cdot \sqrt{9} - 1 \)
\(87 = 99 - 12 \)
\(88 = 29 \cdot \sqrt{9} + 1 \)
\(89 = 92 \cdot 1 - \sqrt{9 }\)
\(90 = ( 21 + 9 ) \cdot \sqrt{9 }\)
\(91 = 92 - 1^{9 }\)
\(92 = 1^{9} \cdot 92 \)
\(93 = 9 \cdot 9 + 12 \)
\(94 = 92 - 1 + \sqrt{9 }\)
\(95 = ( 2 + \sqrt{9} ) \cdot 19 \)
\(96 = 99 - 1 - 2 \)
\(97 = \frac{ 291 }{ \sqrt{9 } }\)
\(98 = 91 - 2 + 9 \)
\(99 = 12 \cdot 9 - 9 \)
\(100 = ( 19 - 9 )^{2 }\)