1 3 3

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  1. #1

    Jul 2012
    5,302

    :-
    8

    :
    = 24
    = 8
    8 1/24 = 1 / 3


    :-
    1/ 3 , 1 /4 , 1 / 5
    1 / 6

    :-
    = 1 / 3 + 1 / 4 + 1 / 5 + 1 / 6 = 20 + 15 + 12 + 10 / 60
    = 57 / 60
    = 1 - 57 / 60
    = 60 - 57 / 60 = 3 / 60 = 1 / 20
    = 1 / 20

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    1- 7 7.35

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    7 = 7.35

    3 = 12 .............. ..... 12 3 = 36
    7 7.35 = 51.45

    2- 40 3/5
    :-
    = 3 /5 40 = 24
    = 40 - 24 = 16
    :-
    = 1 - 3 / 5 = 2 / 5
    = 2 / 5 40 = 16

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    6 4/5 1/10

    :-
    6 = 3
    = 1/ 10 3 = 3/10
    6 = 4/5
    = 4/5 - 3/10 = 8 /10 - 3/10 = 5/10 = 1/2







  2. #2

    Jul 2012
    5,302

    :

    :-
    2500 . = 4/5
    1800 ,
    :-
    = 2500 4/5 = 2000
    = 2000 - 1800 = 200

    :-

    272.25 .

    :-

    10 11 12 1 2 + = 4.5
    = 272.25 4.5
    = 2722.5 45 = 6.5

    :-

    31 . 5/ 9

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    31
    5/ 9 = 30
    5 9 = 30 .............. = 6
    = 9 6 = 54

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    7/8 1 , 1/ 2 ,

    :-

    = 7/ 8 1 - 1/2 = 7/ 8 1 - 1/ 2 4/ 4
    = 7 / 8 1 - 4 / 8 = 3 /8 1

    :-

    2/3 1 . 21.50 .


    :-

    2/3

    2/3 = 40

    1.40 21.50 9.50



    9:50 - 1:40 = 8.10

    __________________











  3. #3
      Eiman
    Jul 2011
    -
    14,750

    :

    .......

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