Answer:
Number Four Fours Term Solved By
0 4 - 4 + 4 - 4 johnv
1 (4/4) / (4/4) johnv
2 4/4 + 4/4 pilot
3 (4+4+4) / 4 pilot
4 [ (4/4) ^4 ] * 4 catbells
5 [ 4*4 +4 ] / 4 pilot
6 [ (4+4) /4 ] +4 scruffy
7 4+4 - (4/4) Flora Flatbelly
8 4*4 - 4 - 4 catbells
9 4/4 +4 +4 scruffy
10 4 + √4 + √4 + √4 P Rubie
11 44 / (√4 + √4) christina
12 4 + 4 + √4 + √4 johnv
13 4!/(√4) + 4/4 tackline
14 4+4+4 + √4 D12Bit
15 (44/4)+4 D12Bit
16 4*4*4 / 4 D12Bit
17 4*4 + 4/4 D12Bit
18 4*4 + 4 / √4 D12Bit
19 4! - 4 - 4/4 ?
Solutions to the Second Challenge: 20 to 99
Number Four Fours Term Solved By
20 4 * 4 + √4 + √4
21 4! - 4 + 4/4
22 4! - (4! / 4 - 4)
23 4! - 4^(4-4)
24 4 * ( 4 + 4/√4 )
25 4! + 4^(4-4)
26 4! + (4! / 4 + 4)
27 4! + 4 - 4/4
28 4! + 4 * (4/4)
29 4! + 4 + 4/4
30 (4 + 4/4)! / 4
31 (4! + 4)/4 +4! MicheleR
32 4*4 + 4*4
33 (4 - .4)/.4 + 4! IceMantis
34 4*4 * √4 + √
35 4! + 44/4
36 4*4 * √4 + 4
37 4! + (4! + √4) / √4 christina
38 44 - 4 - √4
[39] 4! + 4! - 4/.4~
40 44 - √4 - √
41 (4*4 + .4) / .4
42 44 - 4/√4
43 44 - 4/4
44 44 + 4 - 4
45 44 + 4/4
46 44 + 4/√4
47 4! + 4! - 4/4
48 44 + √4 + √4
49 4! + 4! + 4/4
50 44 + 4! / 4
51 (4! - 4 + .4) / .4 Mr.B
52 44 + 4 + 4
[53] 44 + 4 / .4~
54 4! + 4! + (4! / 4)
55 [4! - ( 4 / √4 ) ] IceMantis
56 44 + 4! / √4
[57] 4! + 4! + 4/.4~
58 4! + 4! + 4/.4 IceMantis
59 4!/.4 - 4/4 FireMantis
60 44 + 4 * 4
61 4!/.4 + 4/4 FireMantis
62 (4 + 4) ^ √4 - √4
63 (4! + √4) / .4 - √4 FireMantis
64 4 * 4 * √4 * √4
65 (4^4 +4) / 4 Jeremy
66 (4 + 4) ^ [√4] + √4
67 [4! + √4] / .4 + √4 FireMantis
68 (4 + 4) ^ √4 + 4
69 (4!+4-.4)/.4 Partick
70 44 + 4! + √4 FireMantis
71 (4 + 4! + .4) / .4 IceMantis
72 [ (4! / 4) ^ √4 ] * √4
[73] [4! * √4 + √.4~)] / √.4~) capOCC
74 4! + 4! + 4! + √4 FireMantis
75 (4! + √4 + 4) / .4 FireMantis
76 4!*4 - 4! + 4 Jeremy
[77] (4/.4~) ^ √4 - 4 FireMantis
78 √4 / .4~) * [4! + √4] ArBeeJay Ruakura
79 (4/.4~) ^ √4 - √4
80 4! * 4 - 4*4 -
[81] (4/.4~) * (4/.4~) -
82 (4! / .4) + 4! - √4 Partick
[83] (4/.4~) ^ √4 + √4 -
84 4! * 4 - 4! / √4 -
[85] (4/.4~) ^ √4 + 4 -
86 4!*4 - 4/.4 IceMantis
87 4! * 4 - 4/.4~ -
88 4! * 4 - 4 - 4 -
89 4! + [4! + √4]/.4 RyVikOCC
90 4! * 4 - 4! / 4 -
91 4 * 4! - (√4 / .4) IceMantis
92 4! * 4 - √4*4) -
[93] 4 * 4! - [ √4 / √(.4~) ] IceMantis
94 4! * 4 - 4/√4 -
95 4! * 4 - 4/4 -
96 4! * 4 + 4 - 4 -
97 4! * 4 + 4/4 -
98 4! * 4 + 4/√4 -
[99] (4!*√4-4) / .4~ IceMantis
Step-by-step explanation: