19 = 4! - 4 - (4/4)
The exclamation sign signifies factorial, or (4 x 3 x 2 x 1).
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19
yes... 6+6+6+ (6/6) = 19
To determine how many times 19 goes into 79, you can divide 79 by 19 using long division. When you divide 79 by 19, the quotient is 4 with a remainder of 3. This means that 19 goes into 79 four times with a remainder of 3.
Assuming the order is not important then : 2 + 68/4 = 2 + 17 = 19
The four digits can be used to produce infinitely many different numbers if repetition is permitted. Without repetition, there are 24 possible numbers. A lot more can be produced if the numbers are combined using binary oprations, fore example, 19 * 8/4 = 19*2 = 38.