Q: How do you make 18 using 4 fours?

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it is not posible *Ahem*. 4*4+4/sqrt(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

44 * 4/4

(4x4+4)/4

4/4+4/4=2

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(4/.4)+4+4 or (44x.4)+.4

One possible solution is: 18 = 44 x .4 + .4

it is not posible *Ahem*. 4*4+4/sqrt(4)

(4/4)*4!/4 = 6

(44 - 4)/4 x 4/4

4*4!/(4+4) = 4*24/8 = 12

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

4! - 44/4 = 24 - 11 = 13

(4 x 4 x √4) - √4 = 32 - 2 = 30

444 + 444 + 44 + 44 + 4 + 4 +4*4

44 * 4/4

(4!/4)4 - 4