Kopkrappertjie

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DawieKotze
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Kopkrappertjie

Post by DawieKotze »

Kom skud bietjie die breinselle wakker so voor die vakansie. Sê net die antwoord sonder die formule.

In n opname met 50 kinders, is bevind dat 25 gehou het van rugby, 20 het gehou van krieket en 12 het van albei sporte gehou. Hoeveel kinders het nie van een van die sportsoorte gehou nie?
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Willie
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Re: Kopkrappertjie

Post by Willie »

17
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Re: Kopkrappertjie

Post by DWB »

17
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Re: Kopkrappertjie

Post by Skolla »

5
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Re: Kopkrappertjie

Post by Jean Marais »

Stem met 17
Kolskoot groete!!

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Re: Kopkrappertjie

Post by Flip Nel »

17
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Re: Kopkrappertjie

Post by Smitstertjies »

17
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Re: Kopkrappertjie

Post by Pvdw »

17
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Re: Kopkrappertjie

Post by Philip J »

17
Groetnis
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Re: Kopkrappertjie

Post by Johan Nel »

My redenasies was verkeerd, dis nie vyf soos ek eers beweer het nie maar wel sewentien.
Last edited by Johan Nel on Mon Dec 01, 2014 8:51 pm, edited 2 times in total.
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Re: Kopkrappertjie

Post by Flip Nel »

Ek sien dit so

25 Rugby - 12 = 13
20 krieket - 12 = 8

Dit gee 21 wat net van een sport hou, tel die 12 by wat van altwee hou =

33 wat te doen het met sport, dit los 17 wat nie in sport belang stel nie.

Werk ek dit reg uit?
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Re: Kopkrappertjie

Post by Mariuss »

17
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Re: Kopkrappertjie

Post by DawieKotze »

Ja nee wat - julle manne se breine is darem nog aan die werk!

Jy werk reg uit Flip.
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Re: Kopkrappertjie

Post by Jean Marais »

Hier's nog ene:

Hoe kry jy die antwoord van 100, met die volgende 5 getalle:
1
7
7
7
7

Daar's 'n totaal van 4 moontlikhede
Jy kan enige wiskundige metodiek toepas.
Kolskoot groete!!

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Re: Kopkrappertjie

Post by DawieKotze »

Jean Marais wrote:Hier's nog ene:

Hoe kry jy die antwoord van 100, met die volgende 5 getalle:
1
7
7
7
7

Daar's 'n totaal van 4 moontlikhede
Jy kan enige wiskundige metodiek toepas.
Ek het nog net 2 moontlikhede gekry...

Die maklikste is 177 - 77 = 100

Die ander een is.....

{7 + (1/7)} * (7 + 7) = 100
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Re: Kopkrappertjie

Post by Jean Marais »

Daai twee is reg. Hoe lyk dit met die ander twee?
Kolskoot groete!!

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Re: Kopkrappertjie

Post by DawieKotze »

Jean Marais wrote:Daai twee is reg. Hoe lyk dit met die ander twee?
Hier is nog een.....

7 x (7+7) + "derdemags wortel van"(7+1) = 100

Ek weet hoe om die teken te maak, maar die website laat dit nie toe nie ;D ;D
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Re: Kopkrappertjie

Post by Jean Marais »

madako wrote:
Jean Marais wrote:Daai twee is reg. Hoe lyk dit met die ander twee?
Hier is nog een.....

7 x (7+7) + "derdemags wortel van"(7+1) = 100

Ek weet hoe om die teken te maak, maar die website laat dit nie toe nie ;D ;D
Hy's ook reg. Nou vir die laaste ene.
Kolskoot groete!!

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Re: Kopkrappertjie

Post by DawieKotze »

Jean - hier is ook 'n oplossing, maar daar is 'n 0 (nul) in en ek weet nie of dit toelaatbaar is nie. Kom ons jippo dan so bietjie... ;D ;D

(7 ÷ .7) x (7 ÷ .7) x 1 = 100

die .7 moet eintlik 0.7 wees??

Anders gee ek op!! :'( :'(
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Re: Kopkrappertjie

Post by Jean Marais »

Nee jy het hom 100% korrek. Welgedaan
Kolskoot groete!!

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Re: Kopkrappertjie

Post by Gawie(13mm) »

Nou't ek miltsteek in die brein!
Dont make expensive noise! Make the first shot count!
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