All 100 targets have a solution.
\(1 = ( 279 \cdot 0 )!\)
\(2 = 79 \cdot 0 + 2 \)
\(3 = \frac{ 20 + 7 }{ 9 }\)
\(4 = 20 - 7 - 9 \)
\(5 = \frac{ 20 }{ 7 - \sqrt{9 } }\)
\(6 = 7 - 29^{0 }\)
\(7 = 29 \cdot 0 + 7 \)
\(8 = 9 - 27^{0 }\)
\(9 = 27 \cdot 0 + 9 \)
\(10 = \frac{ 20 }{ 9 - 7 }\)
\(11 = 9^{2} - 70 \)
\(12 = 7^{0} + 2 + 9 \)
\(13 = \frac{ 92 - 0! }{ 7 }\)
\(14 = \frac{ 70 }{ 2 + \sqrt{9 } }\)
\(15 = 7 - 2^{0} + 9 \)
\(16 = 20 - 7 + \sqrt{9 }\)
\(17 = 27 - 0! - 9 \)
\(18 = 90 - 72 \)
\(19 = 27 + 0! - 9 \)
\(20 = \sqrt{20^{9 - 7 }}\)
\(21 = 29 - 0! - 7 \)
\(22 = 92 - 70 \)
\(23 = \frac{ 207 }{ 9 }\)
\(24 = ( 20 - 7 - 9 )!\)
\(25 = ( 0 + 2 ) \cdot 9 + 7 \)
\(26 = 27 - 9^{0 }\)
\(27 = \sqrt{720 + 9 }\)
\(28 = 9^{0} + 27 \)
\(29 = 0 \cdot 7 + 29 \)
\(30 = \frac{ 270 }{ 9 }\)
\(31 = 27 + 0! + \sqrt{9 }\)
\(32 = \frac{ 70 }{ 2 } - \sqrt{9 }\)
\(33 = 20 + 7 + \sqrt{9 }!\)
\(34 = 70 - \sqrt{9}!^{2 }\)
\(35 = 27 - 0! + 9 \)
\(36 = 20 + 7 + 9 \)
\(37 = 27 + 0! + 9 \)
\(38 = \frac{ 90 }{ 2 } - 7 \)
\(39 = ( 20 - 7 ) \cdot \sqrt{9 }\)
\(40 = ( 9 - 7 ) \cdot 20 \)
\(41 = 70 - 29 \)
\(42 = ( 0 + 2 ) \cdot 7 \cdot \sqrt{9 }\)
\(43 = 7 \cdot 9 - 20 \)
\(44 = \frac{ 70 }{ 2 } + 9 \)
\(45 = \frac{ 270 }{ \sqrt{9 }! }\)
\(46 = 7^{0 + 2} - \sqrt{9 }\)
\(47 = 7^{2} + 0! - \sqrt{9 }\)
\(48 = \frac{ 97 - 0! }{ 2 }\)
\(49 = \frac{ 97 + 0! }{ 2 }\)
\(50 = 9^{0} + 7^{2 }\)
\(51 = ( 0! + \sqrt{9} )! + 27 \)
\(52 = 70 - 2 \cdot 9 \)
\(53 = 20 \cdot \sqrt{9} - 7 \)
\(54 = \frac{ 7! }{ 90 } - 2 \)
\(55 = 2^{7 - 0!} - 9 \)
\(56 = ( 9 - 2^{0} ) \cdot 7 \)
\(57 = 7^{2} - 0! + 9 \)
\(58 = \frac{ 7! }{ 90 } + 2 \)
\(59 = 79 - 20 \)
\(60 = 7 \cdot 9 - 0! - 2 \)
\(61 = \sqrt{70^{2}} - 9 \)
\(62 = 70 - 2^{\sqrt{9 }}\)
\(63 = 90 - 27 \)
\(64 = 70 - 2 \cdot \sqrt{9 }\)
\(65 = 70 - 2 - \sqrt{9 }\)
\(66 = 70 + 2 - \sqrt{9 }!\)
\(67 = 20 \cdot \sqrt{9} + 7 \)
\(68 = 72 - 0! - \sqrt{9 }\)
\(69 = \frac{ 207 }{ \sqrt{9 } }\)
\(70 = ( \sqrt{9} - 2 ) \cdot 70 \)
\(71 = 72 - 9^{0 }\)
\(72 = 0 \cdot 9 + 72 \)
\(73 = 9^{0} + 72 \)
\(74 = 9^{0 + 2} - 7 \)
\(75 = 70 + 2 + \sqrt{9 }\)
\(76 = 90 - 2 \cdot 7 \)
\(77 = 97 - 20 \)
\(78 = \frac{ 702 }{ 9 }\)
\(79 = 0 \cdot 2 + 79 \)
\(80 = \frac{ 720 }{ 9 }\)
\(81 = 70 + 2 + 9 \)
\(82 = 72 + 0! + 9 \)
\(83 = 7 \cdot 9 + 20 \)
\(84 = 92 - 0! - 7 \)
\(85 = 90 + 2 - 7 \)
\(86 = 92 + 0! - 7 \)
\(87 = 90 - \sqrt{2 + 7 }\)
\(88 = 2 \cdot 9 + 70 \)
\(89 = 9^{2} + 0! + 7 \)
\(90 = \frac{ 270 }{ \sqrt{9 } }\)
\(91 = 92 - 7^{0 }\)
\(92 = 0 \cdot 7 + 92 \)
\(93 = 7^{0} + 92 \)
\(94 = 97 - 0! - 2 \)
\(95 = 90 - 2 + 7 \)
\(96 = 97 - 2^{0 }\)
\(97 = 0 \cdot 2 + 97 \)
\(98 = 2^{0} + 97 \)
\(99 = 20 + 79 \)
\(100 = 92 + 0! + 7 \)