Best Answer

Three fours and one half of 4

Or if you mean using only fours and operation signs you develop methods like this:

42 - 4 + (4/4) = 13.

In words, four squared (16) take 4 (12), + the sum of 4/4, which is one (13).

Obviously, being an Prime number, 13 doesn't fit equally into four, so use a combination of different mathematical symbols to change four into many other numbers:

42 = 16

Square Root of four = 2

4! (four factorial) = 24

43 = 64

4/4 = 1

4 + 4 = 8

Combinations of these can be used to make the 13 you're after.

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Q: How do you make 13 with four 4s?

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44/4 + √4 = 11 + 2 = 13

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

if you want to make eleven using only four 4s, this is the answer 4/.4+4/4(=10 + 1= 11) TA DA !

(4+4)*(4+4)=8*8=64

(44 - 4)/4

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44/4 + √4 = 11 + 2 = 13

The answer is 4! - [(4+4)/4]

(4x4)-(4/4) = 15

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

4+4+4x4 by the power of 0.

There are four 4s in a standard deck of cards.

if you want to make eleven using only four 4s, this is the answer 4/.4+4/4(=10 + 1= 11) TA DA !

44/4 + 4! = 11 + (4x3x2x1) = 11 + 24 = 35

(4+4)*(4+4)=8*8=64

4/.4 + 4/4 [= 10+1 = 11]

(44 - 4)/4

It rather depends on how many 4s there are in the stack. It's (however many 4s there are) to 25. If you had a standard pack of playing cards then there are 52 cards of which four are 4s, so your odds are 4 in 52, or 1 in 13.

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