how i can get 19 by using four 4’s ?

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how i can get 19 by using four 4’s ?

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Dub420 1 #
An Unknown Location | 1 year, 2 months ago (4 minutes after post)

4!-4-4/4

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Dub420 1 #
An Unknown Location | 1 year, 2 months ago (5 minutes after post)

yea im that bored at work im doing your math hmwk for u lol

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pin #
An Unknown Location | 1 year, 2 months ago (6 minutes after post)

eh? (4+4+4+4+4)-(4/4)=19

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Hannahjarmstron 0 #
An Unknown Location | 1 year, 2 months ago (7 minutes after post)

LOl!!! WHat does the ! mean

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Izzii... 0 #
An Unknown Location | 1 year, 2 months ago (8 minutes after post)

4 X 4 = 16
+ 4 =20
SUBTRACT 4/4 [4 divided by 4] =1

20 -1 =19

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randomnessma 2 #
An Unknown Location | 1 year, 2 months ago (8 minutes after post)

pin wrote:
eh? (4+4+4+4+4)-(4/4)=19

I believe the man said FOUR 4s

- Fourthings™ - 7 #
Ballinteer, 07, IE | 1 year, 2 months ago (9 minutes after post)

You’re all cheating!

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randomnessma 2 #
An Unknown Location | 1 year, 2 months ago (9 minutes after post)

Dub420 uses factorial - which is probably the only way to do this if you are limited to four.

Hannahjarmstron 0 #
An Unknown Location | 1 year, 2 months ago (9 minutes after post)

sorry that doesnt work

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randomnessma 2 #
An Unknown Location | 1 year, 2 months ago (10 minutes after post)

(4!)-4-(4/4)

Hannahjarmstron 0 #
An Unknown Location | 1 year, 2 months ago (10 minutes after post)

what deos the ! mean

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- Fourthings™ - 7 #
Ballinteer, 07, IE | 1 year, 2 months ago (10 minutes after post)

So the exclamation mark is some kind of cheating mans 6?

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randomnessma 2 #
An Unknown Location | 1 year, 2 months ago (11 minutes after post)

It means (4×3x2×1) , it’s called 4 factorial.

TomRowly 8 #
An Unknown Location | 1 year, 2 months ago (11 minutes after post)

Hannahjarmstron wrote:
LOl!!! WHat does the ! mean

! means factorial.
eg. 4!=4*3*2*1 and 7!=7*6*5*4*3*2*1

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- Fourthings™ - 7 #
Ballinteer, 07, IE | 1 year, 2 months ago (12 minutes after post)

CHEATS!!!!

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randomnessma 2 #
An Unknown Location | 1 year, 2 months ago (12 minutes after post)

so, 4*3*2*1 = 24

24-4 = 20
20-(4/4) = 19

Dub420 1 #
An Unknown Location | 1 year, 2 months ago (13 minutes after post)

“!” is factorial, look it up if you need a big definition.

what 4! means is this. 4*3*2, and that =24

if your teacher doesnt know what factorials are then tell him to find a new job.

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Hannahjarmstron 0 #
An Unknown Location | 1 year, 2 months ago (14 minutes after post)

Lol!!!!!!!!!! Thanks so much!!

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Cap¤Amic 14 #
An Undisclosed Location | 1 year, 2 months ago (16 minutes after post)

intuiting

TomRowly 8 #
An Unknown Location | 1 year, 2 months ago (17 minutes after post)

If you have any more four 4 questions, go to http://mathforum.org/ruth/four4s.puzz…

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dan_gysslin #
An Unknown Location | 5 months, 1 week ago (9 months, 1 week after post)

how do you get 77

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