91 of 100 targets have a solution.
\(1 = 7 - ( 13 - 7 )\)
\(2 = 73 - 71 \)
\(3 = 3!! - 717 \)
\(4 = 3 \cdot 7 - 17 \)
\(5 = \sqrt{71 - 7} - 3 \)
\(6 = 13 - \sqrt{7 \cdot 7 }\)
\(7 = 17 - 3 - 7 \)
\(8 = \sqrt{77 - 13 }\)
\(9 = \sqrt{71 + 3 + 7 }\)
\(10 = 7 - ( 1 + 3 ) + 7 \)
\(11 = \frac{ 71 + 3! }{ 7 }\)
\(12 = \sqrt{137 + 7 }\)
\(13 = 13 - 7 + 7 \)
\(14 = \frac{ 7 }{ 7 } + 13 \)
\(15 = 17 - \sqrt{7 - 3 }\)
\(16 = 17 + 3! - 7 \)
\(17 = 31 - 7 - 7 \)
\(18 = \sqrt{317 + 7 }\)
\(19 = \sqrt{7 - 3} + 17 \)
\(20 = 37 - 17 \)
\(21 = 17 - 3 + 7 \)
\(22 = 1^{7} + 3 \cdot 7 \)
\(23 = ( \frac{ 7 }{ 7 } + 3 )! - 1 \)
\(24 = ( 3 \cdot 7 - 17 )!\)
\(25 = 3! \cdot 7 - 17 \)
\(26 = \frac{ 71 + 7 }{ 3 }\)
\(27 = 13 + 7 + 7 \)
\(28 = ( 7 - 1 \cdot 3 ) \cdot 7 \)
\(29 = 37 - 1 - 7 \)
\(30 = ( 17 - 7 ) \cdot 3 \)
\(31 = 31 - 7 + 7 \)
\(32 = \frac{ 7 }{ 7 } + 31 \)
\(33 = ?\)
\(34 = 71 - 37 \)
\(35 = ( 7 - ( 3 - 1 ) ) \cdot 7 \)
\(36 = 7 \cdot 7 - 13 \)
\(37 = 1^{7} \cdot 37 \)
\(38 = 3 \cdot 7 + 17 \)
\(39 = ( 7 - 1 + 7 ) \cdot 3 \)
\(40 = ?\)
\(41 = ( 7 - 3 )! + 17 \)
\(42 = ( 13 - 7 ) \cdot 7 \)
\(43 = 37 - 1 + 7 \)
\(44 = 17 \cdot 3 - 7 \)
\(45 = 31 + 7 + 7 \)
\(46 = 77 - 31 \)
\(47 = 71 - ( 7 - 3 )!\)
\(48 = \frac{ 7^{3} }{ 7 } - 1 \)
\(49 = 7^{3 - 1^{7 }}\)
\(50 = 71 - 3 \cdot 7 \)
\(51 = 771 - 3 !!\)
\(52 = 1 \cdot 7 \cdot 7 + 3 \)
\(53 = \frac{ 371 }{ 7 }\)
\(54 = 17 + 37 \)
\(55 = ( 1 + 7 ) \cdot 3! + 7 \)
\(56 = 73 - 17 \)
\(57 = ?\)
\(58 = 17 \cdot 3 + 7 \)
\(59 = \frac{ 177 }{ 3 }\)
\(60 = ( 17 - 7 ) \cdot 3 !\)
\(61 = 71 - 3 - 7 \)
\(62 = 7 \cdot 7 + 13 \)
\(63 = ( 3 - 1 + 7 ) \cdot 7 \)
\(64 = 77 - 13 \)
\(65 = 73 - 1 - 7 \)
\(66 = 73 \cdot 1 - 7 \)
\(67 = 71 + 3 - 7 \)
\(68 = ( 7 - 3 ) \cdot 17 \)
\(69 = 71 - \sqrt{7 - 3 }\)
\(70 = 71 + 3! - 7 \)
\(71 = ( 7 - 3! ) \cdot 71 \)
\(72 = ( 17 + 7 ) \cdot 3 \)
\(73 = 1^{7} \cdot 73 \)
\(74 = 1^{7} + 73 \)
\(75 = 71 - 3 + 7 \)
\(76 = 77 - 1^{3 }\)
\(77 = 1^{3} \cdot 77 \)
\(78 = 1^{3} + 77 \)
\(79 = 73 - 1 + 7 \)
\(80 = 7 \cdot 7 + 31 \)
\(81 = 71 + 3 + 7 \)
\(82 = 77 - 1 + 3 !\)
\(83 = 77 \cdot 1 + 3 !\)
\(84 = 13 \cdot 7 - 7 \)
\(85 = ( 7 + 7 ) \cdot 3! + 1 \)
\(86 = ?\)
\(87 = ?\)
\(88 = \sqrt{3^{1 + 7}} + 7 \)
\(89 = ?\)
\(90 = 13 + 77 \)
\(91 = \sqrt{7 \cdot 7} \cdot 13 \)
\(92 = 3 \cdot 7 + 71 \)
\(93 = ?\)
\(94 = ?\)
\(95 = 17 \cdot 3! - 7 \)
\(96 = \frac{ 1 + 3!! }{ 7 } - 7 \)
\(97 = \frac{ 3!! }{ 1 + 7 } + 7 \)
\(98 = 13 \cdot 7 + 7 \)
\(99 = ?\)
\(100 = \sqrt{\sqrt{( 3 + 7 )^{1 + 7 }}}\)