0049

$1 = (409 \cdot 0)!$	$2 = \sqrt{9} - 40^{0}$	$3 = 4 - 90^{0}$	$4 = 90 \cdot 0 + 4$
$5 = 90^{0} + 4$	$6 = \sqrt{900} - 4!$	$7 = \sqrt{40 + 0 + 9}$	$8 = 9 - 40^{0}$
$9 = 40 \cdot 0 + 9$	$10 = 40^{0} + 9$	$11 = \sqrt{400} - 9$	$12 = 4 - 0^{0} + 9$
$13 = 0 + 0 + 4 + 9$	$14 = \sqrt{400} - \sqrt{9}!$	$15 = \sqrt{\frac{900}{4}}$	$16 = 0^{0} + 4! - 9$
$17 = \sqrt{400} - \sqrt{9}$	$18 = \frac{90}{0! + 4}$	$19 = \sqrt{40 \cdot 9 + 0!}$	$20 = \frac{40}{\sqrt{9} - 0!}$
$21 = (0 + 0 + 4)! - \sqrt{9}$	$22 = 0^{0} + 4! - \sqrt{9}$	$23 = \sqrt{400} + \sqrt{9}$	$24 = (90 \cdot 0 + 4)!$
$25 = 90^{0} + 4!$	$26 = \sqrt{900} - 4$	$27 = (4 - 0^{0}) \cdot 9$	$28 = \sqrt{900} - \sqrt{4}$
$29 = \sqrt{400} + 9$	$30 = 40 - 0! - 9$	$31 = 40 + 0 - 9$	$32 = \sqrt{900} + \sqrt{4}$
$33 = (0 + 0 + 4)! + 9$	$34 = \sqrt{900} + 4$	$35 = 4 \cdot 9 - 0^{0}$	$36 = (0 + 0 + 4) \cdot 9$
$37 = 40 + 0 - \sqrt{9}$	$38 = 40 + 0! - \sqrt{9}$	$39 = 40 - 9^{0}$	$40 = 0 \cdot 9 + 40$
$41 = 9^{0} + 40$	$42 = 40 - 0! + \sqrt{9}$	$43 = 40 + 0 + \sqrt{9}$	$44 = 40 + 0! + \sqrt{9}$
$45 = \frac{90 + 0}{\sqrt{4}}$	$46 = 40 + 0 + \sqrt{9}!$	$47 = 49 - 0! - 0!$	$48 = 49 - 0^{0}$
$49 = 40 + 0 + 9$	$50 = 90 - 40$	$51 = 49 + 0! + 0!$	$52 = ?$
$53 = (4 - 0!)! \cdot 9 - 0!$	$54 = \sqrt{900} + 4!$	$55 = (4 - 0!)! \cdot 9 + 0!$	$56 = \frac{(9 - 0!)!}{(4 - 0!)!!}$
$57 = (0! + 0!) \cdot 4! + 9$	$58 = \sqrt{\sqrt{(0! + 0!)^{4!}}} - \sqrt{9}!$	$59 = \sqrt{(0! + 4) \cdot \sqrt{9}!!} - 0!$	$60 = \sqrt{400 \cdot 9}$
$61 = \sqrt{\sqrt{(0! + 0!)^{4!}}} - \sqrt{9}$	$62 = 4^{\sqrt{9}} - 0! - 0!$	$63 = 4^{\sqrt{9}} - 0^{0}$	$64 = (0 + 0 + 4)^{\sqrt{9}}$
$65 = 90 - 0! - 4!$	$66 = 90 + 0 - 4!$	$67 = 90 + 0! - 4!$	$68 = (0! + 0!)^{\sqrt{9}!} + 4$
$69 = (4! - 0^{0}) \cdot \sqrt{9}$	$70 = \sqrt{4900}$	$71 = \sqrt{0^{0} + \sqrt{49}!}$	$72 = (0 + 0 + 4)! \cdot \sqrt{9}$
$73 = 0^{0} + 4! \cdot \sqrt{9}$	$74 = 4! \cdot \sqrt{9} + 0! + 0!$	$75 = (0^{0} + 4!) \cdot \sqrt{9}$	$76 = (0! + 4!) \cdot \sqrt{9} + 0!$
$77 = 9^{0! + 0!} - 4$	$78 = (0! + 0! + 4!) \cdot \sqrt{9}$	$79 = 9^{0! + 0!} - \sqrt{4}$	$80 = (\sqrt{9} - 0!) \cdot 40$
$81 = 9^{0 + 0 + \sqrt{4}}$	$82 = 0^{0} + 9^{\sqrt{4}}$	$83 = 9^{0! + 0!} + \sqrt{4}$	$84 = 90 - (4 - 0!)!$
$85 = 90 - 0! - 4$	$86 = 90 + 0 - 4$	$87 = 90 + 0! - 4$	$88 = 90 + 0 - \sqrt{4}$
$89 = 90 - 4^{0}$	$90 = 0 \cdot 4 + 90$	$91 = 4^{0} + 90$	$92 = 90 + 0 + \sqrt{4}$
$93 = 94 - 0^{0}$	$94 = 90 + 0 + 4$	$95 = 0^{0} + 94$	$96 = (4 - 0!)! + 90$
$97 = (0! + \sqrt{9}) \cdot 4! + 0!$	$98 = (0! + 0!) \cdot 49$	$99 = (0! + 9)^{\sqrt{4}} - 0!$	$100 = (0^{0} + 9)^{\sqrt{4}}$