89 of 100 targets have a solution.
\(1 = 15 - 7 - 7 \)
\(2 = \sqrt{75 - 71 }\)
\(3 = \sqrt{71 - 7} - 5 \)
\(4 = 75 - 71 \)
\(5 = \sqrt{\frac{ 175 }{ 7 }}\)
\(6 = \sqrt{71 - 5 \cdot 7 }\)
\(7 = \sqrt{57 - 1 - 7 }\)
\(8 = \frac{ 57 - 1 }{ 7 }\)
\(9 = \sqrt{57 + 7} + 1 \)
\(10 = \sqrt{7 \cdot 7 + 51 }\)
\(11 = 5 - 1^{7} + 7 \)
\(12 = \frac{ 5! }{ 17 - 7 }\)
\(13 = \sqrt{71 - 7} + 5 \)
\(14 = 71 - 57 \)
\(15 = 15 - 7 + 7 \)
\(16 = \frac{ 7 }{ 7 } + 15 \)
\(17 = \sqrt{17^{7 - 5 }}\)
\(18 = 5 \cdot 7 - 17 \)
\(19 = 17 - 5 + 7 \)
\(20 = \sqrt{57 \cdot 7 + 1 }\)
\(21 = ( 7 - ( 5 - 1 ) ) \cdot 7 \)
\(22 = \sqrt{7 \cdot 7} + 15 \)
\(23 = ( 7 - 1 ) \cdot 5 - 7 \)
\(24 = \sqrt{577 - 1 }\)
\(25 = \frac{ 175 }{ 7 }\)
\(26 = 77 - 51 \)
\(27 = 5 \cdot 7 - 1 - 7 \)
\(28 = ( 5 - 1^{7} ) \cdot 7 \)
\(29 = 15 + 7 + 7 \)
\(30 = ( 7 - 1^{7} ) \cdot 5 \)
\(31 = ( 5 - 1^{7} )! + 7 \)
\(32 = ( \frac{ 7 }{ 7 } + 1 )^{5 }\)
\(33 = ( 1 + 7 ) \cdot 5 - 7 \)
\(34 = 7 \cdot 7 - 15 \)
\(35 = \sqrt{175 \cdot 7 }\)
\(36 = 71 - 5 \cdot 7 \)
\(37 = 51 - 7 - 7 \)
\(38 = ( 5 - 1 )! + 7 + 7 \)
\(39 = ?\)
\(40 = 57 - 17 \)
\(41 = 5 \cdot 7 - 1 + 7 \)
\(42 = 5! - 71 - 7 \)
\(43 = 5! - 77 \cdot 1 \)
\(44 = 51 - \sqrt{7 \cdot 7 }\)
\(45 = 7 \cdot 7 + 1 - 5 \)
\(46 = ?\)
\(47 = ( 1 + 7 ) \cdot 5 + 7 \)
\(48 = \frac{ 7! }{ 15 \cdot 7 }\)
\(49 = 57 - 1 - 7 \)
\(50 = ( 17 - 7 ) \cdot 5 \)
\(51 = 51 - 7 + 7 \)
\(52 = 5 \cdot 7 + 17 \)
\(53 = 77 - ( 5 - 1 )!\)
\(54 = 1 \cdot 7 \cdot 7 + 5 \)
\(55 = 7 \cdot 7 + 1 + 5 \)
\(56 = ( 15 - 7 ) \cdot 7 \)
\(57 = 177 - 5 !\)
\(58 = 75 - 17 \)
\(59 = 71 - 5 - 7 \)
\(60 = \frac{ 5! }{ \frac{ 7 }{ 7 } + 1 }\)
\(61 = ( 1 + 7 ) \cdot 7 + 5 \)
\(62 = 77 - 15 \)
\(63 = 57 - 1 + 7 \)
\(64 = 7 \cdot 7 + 15 \)
\(65 = 51 + 7 + 7 \)
\(66 = 77 - \sqrt{1 + 5 !}\)
\(67 = 75 - 1 - 7 \)
\(68 = 75 \cdot 1 - 7 \)
\(69 = 71 + 5 - 7 \)
\(70 = ( 1 \cdot 7 + 7 ) \cdot 5 \)
\(71 = 77 - 1 - 5 \)
\(72 = 77 \cdot 1 - 5 \)
\(73 = 71 - 5 + 7 \)
\(74 = 17 + 57 \)
\(75 = 1^{7} \cdot 75 \)
\(76 = 1^{7} + 75 \)
\(77 = 1^{5} \cdot 77 \)
\(78 = 17 \cdot 5 - 7 \)
\(79 = \sqrt{5 - 1} + 77 \)
\(80 = ?\)
\(81 = 75 - 1 + 7 \)
\(82 = 75 \cdot 1 + 7 \)
\(83 = 71 + 5 + 7 \)
\(84 = ( 17 - 5 ) \cdot 7 \)
\(85 = ( 5 + 7 ) \cdot 7 + 1 \)
\(86 = ?\)
\(87 = ?\)
\(88 = \sqrt{1 + 5!} + 77 \)
\(89 = ?\)
\(90 = \frac{ 7! }{ 57 - 1 }\)
\(91 = ( 1 + 5 + 7 ) \cdot 7 \)
\(92 = 15 + 77 \)
\(93 = ?\)
\(94 = ?\)
\(95 = ?\)
\(96 = 5! - 17 - 7 \)
\(97 = ?\)
\(98 = 15 \cdot 7 - 7 \)
\(99 = ?\)
\(100 = 7 \cdot 7 + 51 \)