All 100 targets have a solution.
\(1 = ( 299 \cdot 0 )!\)
\(2 = 92 - 90 \)
\(3 = 99^{0} + 2 \)
\(4 = 29^{0} + \sqrt{9 }\)
\(5 = \frac{ \frac{ 90 }{ 2 } }{ 9 }\)
\(6 = \sqrt{\frac{ 90 }{ 2 } - 9 }\)
\(7 = \sqrt{9} \cdot 9 - 20 \)
\(8 = 9 - 29^{0 }\)
\(9 = 29 \cdot 0 + 9 \)
\(10 = 29^{0} + 9 \)
\(11 = 20 - \sqrt{9 \cdot 9 }\)
\(12 = \frac{ 90 }{ 9 } + 2 \)
\(13 = \frac{ 90 }{ \sqrt{9}! } - 2 \)
\(14 = 20 - 9 + \sqrt{9 }\)
\(15 = \frac{ \frac{ 90 }{ 2 } }{ \sqrt{9 } }\)
\(16 = 9 - ( 0 + 2 ) + 9 \)
\(17 = 20 - \frac{ 9 }{ \sqrt{9 } }\)
\(18 = \sqrt{90 - 9} \cdot 2 \)
\(19 = 20 - \frac{ 9 }{ 9 }\)
\(20 = 20 - 9 + 9 \)
\(21 = \frac{ 9 }{ 9 } + 20 \)
\(22 = \frac{ \sqrt{9}! }{ \sqrt{9} } + 20 \)
\(23 = \frac{ 9 }{ \sqrt{9} } + 20 \)
\(24 = ( 29^{0} + \sqrt{9 } )!\)
\(25 = 29 - 0! - \sqrt{9 }\)
\(26 = 20 - \sqrt{9} + 9 \)
\(27 = ( 9^{0} + 2 ) \cdot 9 \)
\(28 = 29 - 9^{0 }\)
\(29 = 0 \cdot 9 + 29 \)
\(30 = 9^{0} + 29 \)
\(31 = 29 - 0! + \sqrt{9 }\)
\(32 = 20 + \sqrt{9} + 9 \)
\(33 = ( 20 - 9 ) \cdot \sqrt{9 }\)
\(34 = \sqrt{9}! \cdot 9 - 20 \)
\(35 = 20 + \sqrt{9}! + 9 \)
\(36 = \frac{ 90 }{ 2 } - 9 \)
\(37 = 29 - 0! + 9 \)
\(38 = 20 + 9 + 9 \)
\(39 = 29 + 0! + 9 \)
\(40 = \frac{ 9 \cdot 9 - 0! }{ 2 }\)
\(41 = \frac{ 9 \cdot 9 + 0! }{ 2 }\)
\(42 = \frac{ 90 }{ 2 } - \sqrt{9 }\)
\(43 = ( \sqrt{9}! - 0! ) \cdot 9 - 2 \)
\(44 = ( 2 + \sqrt{9} ) \cdot 9 - 0 !\)
\(45 = ( 0 + 2 + \sqrt{9} ) \cdot 9 \)
\(46 = \frac{ 92 }{ \sqrt{9} - 0 ! }\)
\(47 = \sqrt{9} \cdot 9 + 20 \)
\(48 = \frac{ 90 }{ 2 } + \sqrt{9 }\)
\(49 = \frac{ 99 - 0! }{ 2 }\)
\(50 = \frac{ 99 + 0! }{ 2 }\)
\(51 = 20 \cdot \sqrt{9} - 9 \)
\(52 = ( \sqrt{9} \cdot 9 - 0! ) \cdot 2 \)
\(53 = ( 0! + \sqrt{9} )! + 29 \)
\(54 = \frac{ 90 }{ 2 } + 9 \)
\(55 = ( 9 - 0! )^{2} - 9 \)
\(56 = \frac{ ( 9 - 2 )! }{ 90 }\)
\(57 = 20 \cdot \sqrt{9} - \sqrt{9 }\)
\(58 = ( \sqrt{9} - 0! ) \cdot 29 \)
\(59 = 2^{\sqrt{9}!} + 0! - \sqrt{9 }!\)
\(60 = \frac{ 20 \cdot 9 }{ \sqrt{9 } }\)
\(61 = 90 - 29 \)
\(62 = ( 9 - 2 ) \cdot 9 - 0 !\)
\(63 = ( 9 - ( 0 + 2 ) ) \cdot 9 \)
\(64 = ( 9 - 9^{0} )^{2 }\)
\(65 = 2^{9 - \sqrt{9}} + 0 !\)
\(66 = ( 20 - 9 ) \cdot \sqrt{9 }!\)
\(67 = ( 9 - 0! )^{2} + \sqrt{9 }\)
\(68 = 92 - ( 0! + \sqrt{9 } )!\)
\(69 = 20 \cdot \sqrt{9} + 9 \)
\(70 = ( 9 - 0! ) \cdot 9 - 2 \)
\(71 = 9^{2} - 0! - 9 \)
\(72 = 90 - 2 \cdot 9 \)
\(73 = ( 9 - 0! )^{2} + 9 \)
\(74 = \sqrt{9}! \cdot 9 + 20 \)
\(75 = 9^{0 + 2} - \sqrt{9 }!\)
\(76 = 9^{2} + 0! - \sqrt{9 }!\)
\(77 = 9^{2} - 0! - \sqrt{9 }\)
\(78 = 90 - 2 \cdot \sqrt{9 }!\)
\(79 = 99 - 20 \)
\(80 = 9 \cdot 9 - 2^{0 }\)
\(81 = \sqrt{90^{2}} - 9 \)
\(82 = 90 - 2^{\sqrt{9 }}\)
\(83 = 90 + 2 - 9 \)
\(84 = 90 - 2 \cdot \sqrt{9 }\)
\(85 = 90 - 2 - \sqrt{9 }\)
\(86 = 29 \cdot \sqrt{9} - 0 !\)
\(87 = ( 20 + 9 ) \cdot \sqrt{9 }\)
\(88 = 29 \cdot \sqrt{9} + 0 !\)
\(89 = 90 + 2 - \sqrt{9 }\)
\(90 = ( \sqrt{9} - 2 ) \cdot 90 \)
\(91 = 92 - 9^{0 }\)
\(92 = 0 \cdot 9 + 92 \)
\(93 = 9^{0} + 92 \)
\(94 = 90 - 2 + \sqrt{9 }!\)
\(95 = 90 + 2 + \sqrt{9 }\)
\(96 = 2 \cdot \sqrt{9} + 90 \)
\(97 = 90 - 2 + 9 \)
\(98 = 99 - 2^{0 }\)
\(99 = ( 20 - 9 ) \cdot 9 \)
\(100 = ( \frac{ 90 }{ 9 } )^{2 }\)