you're allowed to add, subtract, multiply divide, use square roots or anything else, as long as you stick to the rule of using exactly four fours. For example: 4×4−√4+4 which is 18
Hmm: (ln(4)/tan(4))+(ln(4)/sin(4)) with angles in radians
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The plural form of four is fours
101
A solution to the four fours problem for the number 33 is: 33 = (4-.4)/.4+4!
Using four fours, you can get 19 with the following sum: 4! - 4 - (4 / 4) That is, four factorial minus four - (four divided by four) - 24 - 4 - (4 / 4) = 19
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