4445

$1 = 45 - 44$	$2 = 5 - (4 - \frac{4}{4})$	$3 = \frac{5!}{44 - 4}$	$4 = \sqrt{\frac{44}{4} + 5}$
$5 = (4 - 4) \cdot 4 + 5$	$6 = \frac{44}{4} - 5$	$7 = \frac{4 + 4}{4} + 5$	$8 = \frac{44 - 4}{5}$
$9 = \frac{54 \cdot 4}{4!}$	$10 = 54 - 44$	$11 = \sqrt{44 + 5} + 4$	$12 = 44 - {\sqrt{4}}^{5}$
$13 = \frac{54 - \sqrt{4}}{4}$	$14 = \sqrt{(44 + 5) \cdot 4}$	$15 = 44 - 4! - 5$	$16 = \frac{44}{4} + 5$
$17 = \frac{44}{\sqrt{4}} - 5$	$18 = \sqrt{444 - 5!}$	$19 = \frac{5! - 44}{4}$	$20 = (4 - 4 + 4) \cdot 5$
$21 = \sqrt{445 - 4}$	$22 = (4 \cdot 4 - 5) \cdot \sqrt{4}$	$23 = \frac{54}{\sqrt{4}} - 4$	$24 = 44 - 4 \cdot 5$
$25 = 44 - 4! + 5$	$26 = 54 - 4! - 4$	$27 = \frac{44}{\sqrt{4}} + 5$	$28 = \sqrt{44 + 5} \cdot 4$
$29 = 45 - 4 \cdot 4$	$30 = \sqrt{(4! - 4) \cdot 45}$	$31 = \frac{54}{\sqrt{4}} + 4$	$32 = (\frac{4 + 4}{4})^{5}$
$33 = 45 - \frac{4!}{\sqrt{4}}$	$34 = 44 - \sqrt{4} \cdot 5$	$35 = 44 - 4 - 5$	$36 = (4 + 4) \cdot 5 - 4$
$37 = 45 - 4 - 4$	$38 = 54 - 4 \cdot 4$	$39 = 45 - 4 - \sqrt{4}$	$40 = (4 + 5) \cdot 4 + 4$
$41 = 44 + \sqrt{4} - 5$	$42 = 4 \cdot 4! - 54$	$43 = 44 + 4 - 5$	$44 = (5 - 4) \cdot 44$
$45 = 44 - 4 + 5$	$46 = \frac{4}{4} + 45$	$47 = 44 - \sqrt{4} + 5$	$48 = 54 - 4 - \sqrt{4}$
$49 = \sqrt{4 \cdot 4} + 45$	$50 = 54 - \sqrt{4 \cdot 4}$	$51 = 44 + \sqrt{4} + 5$	$52 = 54 - 4 + \sqrt{4}$
$53 = 44 + 4 + 5$	$54 = 54 - 4 + 4$	$55 = \frac{44}{4} \cdot 5$	$56 = 44 \cdot 4 - 5!$
$57 = \frac{4!}{\sqrt{4}} + 45$	$58 = \sqrt{4 \cdot 4} + 54$	$59 = 4 \cdot 4 \cdot 4 - 5$	$60 = 54 + \sqrt{4} + 4$
$61 = 4 \cdot 4 + 45$	$62 = 54 + 4 + 4$	$63 = 44 + 4! - 5$	$64 = 4 \cdot 5 + 44$
$65 = 45 - 4 + 4!$	$66 = 45 \cdot \sqrt{4} - 4!$	$67 = 45 - \sqrt{4} + 4!$	$68 = 4^{5 - \sqrt{4}} + 4$
$69 = 5^{\sqrt{4}} + 44$	$70 = 4 \cdot 4 + 54$	$71 = 45 + \sqrt{4} + 4!$	$72 = 5! - (44 + 4)$
$73 = 44 + 4! + 5$	$74 = \frac{5!}{4} + 44$	$75 = (4! - 4) \cdot 4 - 5$	$76 = {\sqrt{4}}^{5} + 44$
$77 = (5 - \sqrt{4})^{4} - 4$	$78 = (44 - 5) \cdot \sqrt{4}$	$79 = (5 - \sqrt{4})^{4} - \sqrt{4}$	$80 = 5! - (44 - 4)$
$81 = (4 + 4 - 5)^{4}$	$82 = (45 - 4) \cdot \sqrt{4}$	$83 = 44 \cdot \sqrt{4} - 5$	$84 = (45 - 4!) \cdot 4$
$85 = (4! - 4) \cdot 4 + 5$	$86 = 45 \cdot \sqrt{4} - 4$	$87 = 4 \cdot 4! - 4 - 5$	$88 = 45 \cdot \sqrt{4} - \sqrt{4}$
$89 = 44 + 45$	$90 = \frac{45 \cdot 4}{\sqrt{4}}$	$91 = \sqrt{4 \cdot 4} \cdot 4! - 5$	$92 = 45 \cdot \sqrt{4} + \sqrt{4}$
$93 = 44 \cdot \sqrt{4} + 5$	$94 = 45 \cdot \sqrt{4} + 4$	$95 = 4 \cdot 4! + 4 - 5$	$96 = (4 \cdot 5 + 4) \cdot 4$
$97 = 4 \cdot 4! - 4 + 5$	$98 = 44 + 54$	$99 = 4 \cdot 4! - \sqrt{4} + 5$	$100 = (44 - 4!) \cdot 5$