99 of 100 targets have a solution.
\(1 = 47^{5 - 5 }\)
\(2 = \frac{ 45 }{ 5 } - 7 \)
\(3 = 57 - 54 \)
\(4 = 7 - \sqrt{\frac{ 45 }{ 5 }}\)
\(5 = \frac{ 55 }{ 4 + 7 }\)
\(6 = ( 57 - 54 )!\)
\(7 = \frac{ 54 - 5 }{ 7 }\)
\(8 = 55 - 47 \)
\(9 = 4! - \frac{ 75 }{ 5 }\)
\(10 = 45 - 5 \cdot 7 \)
\(11 = \frac{ 75 }{ 5 } - 4 \)
\(12 = 57 - 45 \)
\(13 = \frac{ 57 - 5 }{ 4 }\)
\(14 = \sqrt{54 - 5} + 7 \)
\(15 = \frac{ 5 + 7 }{ 4 } \cdot 5 \)
\(16 = \frac{ 45 }{ 5 } + 7 \)
\(17 = \sqrt{57 \cdot 5 + 4 }\)
\(18 = 4 \cdot 5 + 5 - 7 \)
\(19 = 74 - 55 \)
\(20 = \frac{ 75 + 5 }{ 4 }\)
\(21 = 75 - 54 \)
\(22 = 47 - 5 \cdot 5 \)
\(23 = 47 - \frac{ 5! }{ 5 }\)
\(24 = 55 - 4! - 7 \)
\(25 = \sqrt{745 - 5 !}\)
\(26 = \frac{ 57 - 5 }{ \sqrt{4 } }\)
\(27 = \frac{ 54 }{ 7 - 5 }\)
\(28 = 57 - 4! - 5 \)
\(29 = 5^{7 - 5} + 4 \)
\(30 = 75 - 45 \)
\(31 = \frac{ 55 + 7 }{ \sqrt{4 } }\)
\(32 = 57 - 5^{\sqrt{4 }}\)
\(33 = 45 - 5 - 7 \)
\(34 = 5 \cdot 7 + 4 - 5 \)
\(35 = \frac{ 75 - 5 }{ \sqrt{4 } }\)
\(36 = 5 \cdot 5 + 4 + 7 \)
\(37 = 47 - 5 - 5 \)
\(38 = 55 - 4! + 7 \)
\(39 = \frac{ 75 }{ 5 } + 4 !\)
\(40 = \frac{ 75 + 5 }{ \sqrt{4 } }\)
\(41 = 55 - \sqrt{4} \cdot 7 \)
\(42 = 54 - 5 - 7 \)
\(43 = 45 + 5 - 7 \)
\(44 = 55 - 4 - 7 \)
\(45 = \sqrt{45^{7 - 5 }}\)
\(46 = 47 - \frac{ 5 }{ 5 }\)
\(47 = 45 - 5 + 7 \)
\(48 = \frac{ 5 }{ 5 } + 47 \)
\(49 = 74 - 5 \cdot 5 \)
\(50 = 55 + \sqrt{4} - 7 \)
\(51 = 5! - 74 + 5 \)
\(52 = 54 + 5 - 7 \)
\(53 = ( 5 + 7 ) \cdot 4 + 5 \)
\(54 = \sqrt{54^{7 - 5 }}\)
\(55 = 75 - 4 \cdot 5 \)
\(56 = 54 - 5 + 7 \)
\(57 = 45 + 5 + 7 \)
\(58 = 55 - 4 + 7 \)
\(59 = 5! - 54 - 7 \)
\(60 = \frac{ 75 \cdot 4 }{ 5 }\)
\(61 = ( 7 - 4 )! + 55 \)
\(62 = \sqrt{55^{\sqrt{4}}} + 7 \)
\(63 = \frac{ 45 }{ 5 } \cdot 7 \)
\(64 = 74 - 5 - 5 \)
\(65 = \frac{ 455 }{ 7 }\)
\(66 = 54 + 5 + 7 \)
\(67 = 5! - ( 57 - 4 )\)
\(68 = 5! - 45 - 7 \)
\(69 = \sqrt{4} \cdot 7 + 55 \)
\(70 = \sqrt{75^{\sqrt{4}}} - 5 \)
\(71 = \frac{ 5! }{ 5 } + 47 \)
\(72 = 5 \cdot 5 + 47 \)
\(73 = 74 - \frac{ 5 }{ 5 }\)
\(74 = 74 - 5 + 5 \)
\(75 = \frac{ 5 }{ 5 } + 74 \)
\(76 = 75 - 4 + 5 \)
\(77 = 4 \cdot 5 + 57 \)
\(78 = 5! - ( 47 - 5 )\)
\(79 = \sqrt{5 \cdot 5} + 74 \)
\(80 = 5 \cdot 7 + 45 \)
\(81 = ( 5 + 5 - 7 )^{4 }\)
\(82 = 5! - 45 + 7 \)
\(83 = 4 \cdot 7 + 55 \)
\(84 = 74 + 5 + 5 \)
\(85 = \sqrt{4} \cdot 5 + 75 \)
\(86 = 55 + 4! + 7 \)
\(87 = \frac{ 5! }{ 4 } + 57 \)
\(88 = ( 4! - 5 ) \cdot 5 - 7 \)
\(89 = 5 \cdot 7 + 54 \)
\(90 = ( 7 - 5 ) \cdot 45 \)
\(91 = ?\)
\(92 = \sqrt{5 \cdot 5}! - 4 \cdot 7 \)
\(93 = 4 \cdot 5 \cdot 5 - 7 \)
\(94 = 75 + 4! - 5 \)
\(95 = \frac{ 475 }{ 5 }\)
\(96 = ( 55 - 7 ) \cdot \sqrt{4 }\)
\(97 = 5! - ( 4 \cdot 7 - 5 )\)
\(98 = \frac{ 5! }{ 5 } + 74 \)
\(99 = 5 \cdot 5 + 74 \)
\(100 = 5^{\sqrt{4}} + 75 \)