(4 + 4 + 4) ÷ 4 = 12 ÷ 4 = 3.
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To achieve the number 77 with four fours, the solution is as follows: sqrt(4/.4)4 - 4 Instead of the second four being equal to four tenths, place a dot over the top to indicate it being equal to four ninths.
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