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Anyone help me with this Maths prob I've been tearing my hair out !

  • 17-04-2013 4:12pm
    #1
    Registered Users, Registered Users 2 Posts: 28,404 ✭✭✭✭


    Ok, so it's a triangle and you must use the numbers 1-9 inclusive to make 21 on each side, so here's an example of the shape (edit shape wont work, anyway it's a triangle shape)....

    1
    2 3
    4 5
    6 7 8 9


    But each side of the triangle must add to 21, use number 1-9 only once.

    Have got it where sides are 21, 21 and then 22 :o

    PS - this is for a childs third class primary so embarrased I cannot get it :D:D


Comments

  • Closed Accounts Posts: 48 Davy r


    7
    5 9
    1 2
    8 6 4 3


  • Site Banned Posts: 45 Double decker


    ____9____
    ___8 4_____
    __1 2
    _3 7 5 6


  • Registered Users, Registered Users 2 Posts: 28,404 ✭✭✭✭vicwatson


    Davy r wrote: »
    7
    5 9
    1 2
    8 6 4 3


    Fair play the mystery revealed - I'm tired that's my excuse !!!!!!!!:D


  • Closed Accounts Posts: 48 Davy r


    vicwatson wrote: »
    Fair play the mystery revealed - I'm tired that's my excuse !!!!!!!!:D

    No probs :). lol


  • Registered Users, Registered Users 2 Posts: 2,674 ✭✭✭Skatedude


    3
    4 2
    8 7
    6 1 5 9 ?


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  • Registered Users, Registered Users 2 Posts: 712 ✭✭✭MmmPancakes


    Oh my these are magic squares and stuff right? Brings back memories lol


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