86 of 100 targets have a solution.
\(1 = 47^{7 - 7 }\)
\(2 = 7 \cdot 7 - 47 \)
\(3 = 77 - 74 \)
\(4 = 7 - ( 4 - \frac{ 7 }{ 7 } )\)
\(5 = \sqrt{74 - 7 \cdot 7 }\)
\(6 = ( 77 - 74 )!\)
\(7 = \frac{ 77 }{ 7 } - 4 \)
\(8 = 4^{7 - 7} + 7 \)
\(9 = \frac{ 77 }{ 7 } - \sqrt{4 }\)
\(10 = 4 - \frac{ 7 }{ 7 } + 7 \)
\(11 = 7 - ( 7 - 4 ) + 7 \)
\(12 = \frac{ 7 }{ 7 } + 4 + 7 \)
\(13 = \frac{ 77 }{ 7 } + \sqrt{4 }\)
\(14 = ( 7 - 4 ) \cdot 7 - 7 \)
\(15 = \frac{ 77 }{ 7 } + 4 \)
\(16 = \sqrt{74 + 7} + 7 \)
\(17 = 7 - 4 + 7 + 7 \)
\(18 = \sqrt{7 \cdot 7} + 4 + 7 \)
\(19 = 7 - \sqrt{4} + 7 + 7 \)
\(20 = ( 7 - 4 )! + 7 + 7 \)
\(21 = \frac{ 77 + 7 }{ 4 }\)
\(22 = \sqrt{477 + 7 }\)
\(23 = \sqrt{4} + 7 + 7 + 7 \)
\(24 = ( 7 - \frac{ 7 }{ 7 } ) \cdot 4 \)
\(25 = 74 - 7 \cdot 7 \)
\(26 = \frac{ 7 + 7 }{ 7 } + 4 !\)
\(27 = 4 \cdot 7 - \frac{ 7 }{ 7 }\)
\(28 = 77 - 7^{\sqrt{4 }}\)
\(29 = 4 \cdot 7 + \frac{ 7 }{ 7 }\)
\(30 = 77 - 47 \)
\(31 = ( 7 - ( 7 - 4 ) )! + 7 \)
\(32 = ( \frac{ 7 }{ 7 } + 7 ) \cdot 4 \)
\(33 = 47 - 7 - 7 \)
\(34 = ?\)
\(35 = \frac{ 77 }{ 7 } + 4 !\)
\(36 = ( 7 - \frac{ 7 }{ 7 } )^{\sqrt{4 }}\)
\(37 = \frac{ 7! }{ 4! \cdot 7 } + 7 \)
\(38 = 7 \cdot 7 - 4 - 7 \)
\(39 = ?\)
\(40 = 47 - \sqrt{7 \cdot 7 }\)
\(41 = \sqrt{7^{4} - \frac{ 7! }{ 7 }}\)
\(42 = \frac{ 77 + 7 }{ \sqrt{4 } }\)
\(43 = ( 7 - \sqrt{4} )! - 77 \)
\(44 = \frac{ 77 \cdot 4 }{ 7 }\)
\(45 = 4! + 7 + 7 + 7 \)
\(46 = 47 - \frac{ 7 }{ 7 }\)
\(47 = 47 - 7 + 7 \)
\(48 = \frac{ 7 }{ 7 } + 47 \)
\(49 = 77 - 4 \cdot 7 \)
\(50 = 7^{\sqrt{4}} + \frac{ 7 }{ 7 }\)
\(51 = \sqrt{4}^{7} - 77 \)
\(52 = 7 \cdot 7 - 4 + 7 \)
\(53 = \sqrt{7 \cdot 7} \cdot 7 + 4 \)
\(54 = \sqrt{7 \cdot 7} + 47 \)
\(55 = ( 7 - 4 )! + 7 \cdot 7 \)
\(56 = ( \sqrt{4} + 7 ) \cdot 7 - 7 \)
\(57 = ?\)
\(58 = 7 \cdot 7 + \sqrt{4} + 7 \)
\(59 = ?\)
\(60 = 74 - 7 - 7 \)
\(61 = 47 + 7 + 7 \)
\(62 = ?\)
\(63 = \sqrt{74 + 7} \cdot 7 \)
\(64 = \sqrt{4}^{7 - \frac{ 7 }{ 7 }}\)
\(65 = \frac{ ( \sqrt{4} + 7 )! }{ 7! } - 7 \)
\(66 = 77 - 4 - 7 \)
\(67 = 74 - \sqrt{7 \cdot 7 }\)
\(68 = 77 - \sqrt{4} - 7 \)
\(69 = \sqrt{\frac{ 7 }{ 7 } + 7!} - \sqrt{4 }\)
\(70 = ( 7 - 4 + 7 ) \cdot 7 \)
\(71 = 77 - ( 7 - 4 )!\)
\(72 = 77 + \sqrt{4} - 7 \)
\(73 = 74 - \frac{ 7 }{ 7 }\)
\(74 = 74 - 7 + 7 \)
\(75 = \frac{ 7 }{ 7 } + 74 \)
\(76 = ?\)
\(77 = 4 \cdot 7 + 7 \cdot 7 \)
\(78 = ?\)
\(79 = \sqrt{4}^{7} - 7 \cdot 7 \)
\(80 = 77 - 4 + 7 \)
\(81 = \sqrt{7 \cdot 7} + 74 \)
\(82 = 77 - \sqrt{4} + 7 \)
\(83 = ( 7 - 4 )! + 77 \)
\(84 = ( 4 + 7 ) \cdot 7 + 7 \)
\(85 = ?\)
\(86 = 77 + \sqrt{4} + 7 \)
\(87 = ?\)
\(88 = 74 + 7 + 7 \)
\(89 = ?\)
\(90 = \frac{ 7! }{ ( 7 + 7 ) \cdot 4 }\)
\(91 = \sqrt{4} \cdot 7 + 77 \)
\(92 = ?\)
\(93 = ?\)
\(94 = 77 + 4! - 7 \)
\(95 = \sqrt{\frac{ 7 }{ 7 } + 7!} + 4 !\)
\(96 = 7 \cdot 7 + 47 \)
\(97 = ?\)
\(98 = \sqrt{4 \cdot 7 \cdot 7} \cdot 7 \)
\(99 = ?\)
\(100 = ( 7 + 7 ) \cdot 7 + \sqrt{4 }\)