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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A solution to the four fours problem for the number 33 is: 33 = (4-.4)/.4+4!
11 = 4/.4 + 4/4
it is not posible *Ahem*. 4*4+4/sqrt(4)
The only way to get 12 using four 4's is to add 4 to 44 and divide by 4.
Well, isn't that a happy little challenge! To make 5 using four fours, you can try this: 4 + 4/4 = 5. Just like painting, sometimes it takes a few tries to get the perfect blend of numbers. Remember, there are no mistakes, just happy little accidents!