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