4447

$1 = 47^{4 - 4}$	$2 = \sqrt{\frac{44}{4} - 7}$	$3 = 47 - 44$	$4 = \frac{44}{4} - 7$
$5 = 7^{\sqrt{4}} - 44$	$6 = (47 - 44)!$	$7 = (4 - 4) \cdot 4 + 7$	$8 = 4^{4 - 4} + 7$
$9 = \frac{4 + 4}{4} + 7$	$10 = 4 - \frac{4}{4} + 7$	$11 = 4 - 4 + 4 + 7$	$12 = \frac{4}{4} + 4 + 7$
$13 = 44 - 4! - 7$	$14 = \frac{4 + 4}{4} \cdot 7$	$15 = \frac{44}{\sqrt{4}} - 7$	$16 = 44 - 4 \cdot 7$
$17 = (4 - 4 + 4)! - 7$	$18 = \frac{44}{4} + 7$	$19 = 47 - 4! - 4$	$20 = 4 \cdot 7 - 4 - 4$
$21 = (4 - \frac{4}{4}) \cdot 7$	$22 = \sqrt{(4 + 7) \cdot 44}$	$23 = 47 - \sqrt{4 \cdot 4}!$	$24 = (\frac{44}{4} - 7)!$
$25 = (4 + 4) \cdot 4 - 7$	$26 = 74 - 4! - 4!$	$27 = 44 - 4! + 7$	$28 = (4 - 4 + 4) \cdot 7$
$29 = \frac{44}{\sqrt{4}} + 7$	$30 = 74 - 44$	$31 = \frac{744}{4!}$	$32 = (\frac{4}{4} + 7) \cdot 4$
$33 = 44 - 4 - 7$	$34 = 4 \cdot 7 + \sqrt{4} + 4$	$35 = 44 - \sqrt{4} - 7$	$36 = \frac{4^{4} - 4}{7}$
$37 = \frac{74 \cdot \sqrt{4}}{4}$	$38 = 44 - (7 - 4)!$	$39 = 47 - 4 - 4$	$40 = (4 + 7) \cdot 4 - 4$
$41 = 44 + 4 - 7$	$42 = (4 - \frac{4}{4})! \cdot 7$	$43 = 47 - \sqrt{4 \cdot 4}$	$44 = 4 \cdot 4 + 4 \cdot 7$
$45 = 47 - 4 + \sqrt{4}$	$46 = 47 - \frac{4}{4}$	$47 = 44 - 4 + 7$	$48 = \frac{4}{4} + 47$
$49 = 44 - \sqrt{4} + 7$	$50 = (7 - 4)! + 44$	$51 = \sqrt{4 \cdot 4} + 47$	$52 = (4 + 4) \cdot 7 - 4$
$53 = 44 + \sqrt{4} + 7$	$54 = 74 - 4! + 4$	$55 = 44 + 4 + 7$	$56 = (4 - \sqrt{4}) \cdot 4 \cdot 7$
$57 = 4 \cdot 4 \cdot 4 - 7$	$58 = 74 - 4 \cdot 4$	$59 = \frac{4!}{\sqrt{4}} + 47$	$60 = (4 + 4 + 7) \cdot 4$
$61 = 44 + 4! - 7$	$62 = 74 - \frac{4!}{\sqrt{4}}$	$63 = 4 \cdot 4 + 47$	$64 = \frac{4^{7}}{4^{4}}$
$65 = 4 \cdot 4 + 7^{\sqrt{4}}$	$66 = 74 - 4 - 4$	$67 = 47 - 4 + 4!$	$68 = 74 - 4 - \sqrt{4}$
$69 = 47 - \sqrt{4} + 4!$	$70 = 74 - \sqrt{4 \cdot 4}$	$71 = 4 \cdot 4 \cdot 4 + 7$	$72 = 4 \cdot 7 + 44$
$73 = 74 - \frac{4}{4}$	$74 = 74 - 4 + 4$	$75 = \frac{4}{4} + 74$	$76 = 74 - \sqrt{4} + 4$
$77 = \frac{44}{4} \cdot 7$	$78 = \sqrt{4 \cdot 4} + 74$	$79 = (7 - 4)^{4} - \sqrt{4}$	$80 = 74 + \sqrt{4} + 4$
$81 = 44 \cdot \sqrt{4} - 7$	$82 = 74 + 4 + 4$	$83 = (7 - 4)^{4} + \sqrt{4}$	$84 = {\sqrt{4}}^{7} - 44$
$85 = (7 - 4)^{4} + 4$	$86 = (47 - 4) \cdot \sqrt{4}$	$87 = (4! - 4) \cdot 4 + 7$	$88 = (4 + 4) \cdot (4 + 7)$
$89 = \sqrt{4 \cdot 4} \cdot 4! - 7$	$90 = 4 \cdot 4 + 74$	$91 = 44 + 47$	$92 = (47 - 4!) \cdot 4$
$93 = 7^{\sqrt{4}} + 44$	$94 = \frac{47 \cdot 4}{\sqrt{4}}$	$95 = 44 \cdot \sqrt{4} + 7$	$96 = (4 \cdot 7 - 4) \cdot 4$
$97 = (\sqrt{4} + 4!) \cdot 4 - 7$	$98 = 47 \cdot \sqrt{4} + 4$	$99 = 4 \cdot 4! - 4 + 7$	$100 = (74 - 4!) \cdot \sqrt{4}$