All 100 targets have a solution.
\(1 = 65 - 4^{3 }\)
\(2 = \sqrt{34 - 5 \cdot 6 }\)
\(3 = \sqrt{45 - 36 }\)
\(4 = 34 - 5 \cdot 6 \)
\(5 = \frac{ 45 }{ 3 + 6 }\)
\(6 = \frac{ 54 }{ 6 } - 3 \)
\(7 = 53 - 46 \)
\(8 = \frac{ 34 + 6 }{ 5 }\)
\(9 = 45 - 36 \)
\(10 = ( \sqrt{36} - 4 ) \cdot 5 \)
\(11 = 46 - 35 \)
\(12 = \frac{ 54 }{ 3 } - 6 \)
\(13 = 56 - 43 \)
\(14 = \frac{ 36 }{ 4 } + 5 \)
\(15 = \frac{ 45 }{ 6 - 3 }\)
\(16 = 36 - 4 \cdot 5 \)
\(17 = \frac{ 45 + 6 }{ 3 }\)
\(18 = 54 - 36 \)
\(19 = \sqrt{365 - 4 }\)
\(20 = \frac{ 54 + 6 }{ 3 }\)
\(21 = \sqrt{435 + 6 }\)
\(22 = 56 - 34 \)
\(23 = 34 - 5 - 6 \)
\(24 = \frac{ 54 }{ 3 } + 6 \)
\(25 = 35 - 4 - 6 \)
\(26 = \sqrt{36} \cdot 5 - 4 \)
\(27 = 35 - \sqrt{64 }\)
\(28 = \frac{ 56 }{ 3! - 4 }\)
\(29 = 64 - 35 \)
\(30 = ( 4 - 3 ) \cdot 5 \cdot 6 \)
\(31 = 65 - 34 \)
\(32 = 43 - 5 - 6 \)
\(33 = 34 + 5 - 6 \)
\(34 = ( 6 - 5 ) \cdot 34 \)
\(35 = 34 - 5 + 6 \)
\(36 = ( 5 - 4 ) \cdot 36 \)
\(37 = 35 - 4 + 6 \)
\(38 = 46 - 3 - 5 \)
\(39 = 45 - \sqrt{36 }\)
\(40 = \frac{ 6! }{ \frac{ 54 }{ 3 } }\)
\(41 = 53 - \sqrt{4} \cdot 6 \)
\(42 = 43 + 5 - 6 \)
\(43 = 35 + \sqrt{64 }\)
\(44 = 43 - 5 + 6 \)
\(45 = 53 - \sqrt{64 }\)
\(46 = \sqrt{4} \cdot 5 + 36 \)
\(47 = \frac{ 6 }{ 3 } + 45 \)
\(48 = 54 - \sqrt{36 }\)
\(49 = 56 - 3 - 4 \)
\(50 = ( \sqrt{36} + 4 ) \cdot 5 \)
\(51 = \sqrt{36} + 45 \)
\(52 = 54 - \frac{ 6 }{ 3 }\)
\(53 = 65 - 3 \cdot 4 \)
\(54 = 43 + 5 + 6 \)
\(55 = 53 - 4 + 6 \)
\(56 = 4 \cdot 5 + 36 \)
\(57 = 54 - 3 + 6 \)
\(58 = 65 - 3 - 4 \)
\(59 = \frac{ 354 }{ 6 }\)
\(60 = \sqrt{36} + 54 \)
\(61 = 53 + \sqrt{64 }\)
\(62 = 63 + 4 - 5 \)
\(63 = 3 \cdot 6 + 45 \)
\(64 = 5 \cdot 6 + 34 \)
\(65 = ( 4 - 3 ) \cdot 65 \)
\(66 = \sqrt{4356 }\)
\(67 = 36 \cdot \sqrt{4} - 5 \)
\(68 = 3 \cdot 4 + 56 \)
\(69 = 4^{6 - 3} + 5 \)
\(70 = ( 6 - 4 ) \cdot 35 \)
\(71 = 6^{\sqrt{4}} + 35 \)
\(72 = 3 \cdot 6 + 54 \)
\(73 = 5 \cdot 6 + 43 \)
\(74 = 3^{\sqrt{4}} + 65 \)
\(75 = 3!! - 645 \)
\(76 = \frac{ 456 }{ 3 ! }\)
\(77 = 4 \cdot 6 + 53 \)
\(78 = ( 4 \cdot 5 + 6 ) \cdot 3 \)
\(79 = 5^{3} - 46 \)
\(80 = 5! - 34 - 6 \)
\(81 = 35 + 46 \)
\(82 = ( 35 + 6 ) \cdot \sqrt{4 }\)
\(83 = 4 \cdot 5 + 63 \)
\(84 = 34 \cdot 6 - 5 !\)
\(85 = ( 4! + 6 ) \cdot 3 - 5 \)
\(86 = \frac{ 5! }{ 3 } + 46 \)
\(87 = ( 4 \cdot 6 + 5 ) \cdot 3 \)
\(88 = 5! - ( 36 - 4 )\)
\(89 = \frac{ 356 }{ 4 }\)
\(90 = 34 + 56 \)
\(91 = \frac{ 546 }{ 3 ! }\)
\(92 = ( 5 - 3 ) \cdot 46 \)
\(93 = \frac{ 5! }{ 4 } + 63 \)
\(94 = \frac{ 564 }{ 3 ! }\)
\(95 = \sqrt{4}^{5} + 63 \)
\(96 = ( 56 - 4! ) \cdot 3 \)
\(97 = 5! - ( \sqrt{3^{6}} - 4 )\)
\(98 = \frac{ 3!! }{ 5 } - 46 \)
\(99 = 34 + 65 \)
\(100 = 53 \cdot \sqrt{4} - 6 \)