All 100 targets have a solution.
\(1 = \frac{ 49 }{ 7 } - 6 \)
\(2 = \frac{ 7 + 9 }{ \sqrt{64 } }\)
\(3 = 67 - 4^{\sqrt{9 }}\)
\(4 = \frac{ 64 }{ 7 + 9 }\)
\(5 = 74 - 69 \)
\(6 = 7 - ( \sqrt{49} - 6 )\)
\(7 = \sqrt{96 - 47 }\)
\(8 = \frac{ 76 - 4 }{ 9 }\)
\(9 = ( \sqrt{64} - 7 ) \cdot 9 \)
\(10 = \frac{ 76 }{ 4 } - 9 \)
\(11 = \frac{ 96 }{ 4! } + 7 \)
\(12 = 76 - 4^{\sqrt{9 }}\)
\(13 = \frac{ 49 }{ 7 } + 6 \)
\(14 = 9^{\sqrt{4}} - 67 \)
\(15 = 79 - 64 \)
\(16 = ( 9 - 7 ) \cdot \sqrt{64 }\)
\(17 = 7 \cdot 9 - 46 \)
\(18 = 67 - 49 \)
\(19 = \frac{ 67 + 9 }{ 4 }\)
\(20 = 74 - 6 \cdot 9 \)
\(21 = \frac{ 67 - 4 }{ \sqrt{9 } }\)
\(22 = 69 - 47 \)
\(23 = \frac{ 46 }{ 9 - 7 }\)
\(24 = \sqrt{64} + 7 + 9 \)
\(25 = 46 - 7 \cdot \sqrt{9 }\)
\(26 = 746 - \sqrt{9 }!!\)
\(27 = 76 - 49 \)
\(28 = \frac{ 76 }{ 4 } + 9 \)
\(29 = 749 - 6 !\)
\(30 = 46 - 7 - 9 \)
\(31 = 67 - 4 \cdot 9 \)
\(32 = 47 - 6 - 9 \)
\(33 = 79 - 46 \)
\(34 = 67 - 4! - 9 \)
\(35 = \sqrt{49} \cdot 6 - 7 \)
\(36 = 49 - 6 - 7 \)
\(37 = \frac{ 74 \cdot \sqrt{9} }{ 6 }\)
\(38 = 47 - 6 - \sqrt{9 }\)
\(39 = 7 \cdot 9 - 4 \cdot 6 \)
\(40 = 76 - 4 \cdot 9 \)
\(41 = 69 - 4 \cdot 7 \)
\(42 = \frac{ 49 \cdot 6 }{ 7 }\)
\(43 = \sqrt{49} \cdot 7 - 6 \)
\(44 = 46 + 7 - 9 \)
\(45 = 47 - \frac{ 6 }{ \sqrt{9 } }\)
\(46 = \sqrt{46^{9 - 7 }}\)
\(47 = \sqrt{64} \cdot 7 - 9 \)
\(48 = 46 - 7 + 9 \)
\(49 = 96 - 47 \)
\(50 = 47 - 6 + 9 \)
\(51 = 97 - 46 \)
\(52 = 94 - 6 \cdot 7 \)
\(53 = ( 9 - 6 )! + 47 \)
\(54 = 67 - 4 - 9 \)
\(55 = 79 - 4 \cdot 6 \)
\(56 = 46 + 7 + \sqrt{9 }\)
\(57 = \frac{ 76 }{ 4 } \cdot \sqrt{9 }\)
\(58 = 69 - 4 - 7 \)
\(59 = 74 - 6 - 9 \)
\(60 = 67 - \sqrt{49 }\)
\(61 = 67 - \sqrt{4 \cdot 9 }\)
\(62 = 46 + 7 + 9 \)
\(63 = 76 - 4 - 9 \)
\(64 = \sqrt{64}^{9 - 7 }\)
\(65 = 6 \cdot \sqrt{9} + 47 \)
\(66 = 64 - 7 + 9 \)
\(67 = \frac{ 469 }{ 7 }\)
\(68 = 96 - 4 \cdot 7 \)
\(69 = 76 - \sqrt{49 }\)
\(70 = 76 - \sqrt{4 \cdot 9 }\)
\(71 = 79 - \sqrt{64 }\)
\(72 = 67 - 4 + 9 \)
\(73 = 97 - 4 \cdot 6 \)
\(74 = 794 - 6 !\)
\(75 = ( 7 - 4 )! + 69 \)
\(76 = \frac{ 6 }{ \sqrt{9} } + 74 \)
\(77 = 74 - 6 + 9 \)
\(78 = 67 + \sqrt{4} + 9 \)
\(79 = \sqrt{64} \cdot 9 + 7 \)
\(80 = 64 + 7 + 9 \)
\(81 = 76 - 4 + 9 \)
\(82 = 67 + 4! - 9 \)
\(83 = \sqrt{49} + 76 \)
\(84 = ( \sqrt{49} + 7 ) \cdot 6 \)
\(85 = 96 - 4 - 7 \)
\(86 = 69 + 4! - 7 \)
\(87 = \sqrt{64} + 79 \)
\(88 = 4 \cdot \sqrt{9} + 76 \)
\(89 = 97 - \sqrt{64 }\)
\(90 = 96 - ( 7 - 4 )!\)
\(91 = 6 \cdot 7 + 49 \)
\(92 = ( 9 - 7 ) \cdot 46 \)
\(93 = 94 + 6 - 7 \)
\(94 = ( 7 - 6 ) \cdot 94 \)
\(95 = 94 - 6 + 7 \)
\(96 = ( 9 - 7 )^{4} \cdot 6 \)
\(97 = 4 \cdot 7 + 69 \)
\(98 = ( 6 \cdot \sqrt{9} - 4 ) \cdot 7 \)
\(99 = 96 - 4 + 7 \)
\(100 = 67 + 4! + 9 \)