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  1. #1

    Jul 2012
    5,302

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    :-
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    1- 30 . 6 : 12 . 5
    :-

    = 6 60 = 360 + 30 = 390
    .......................... = 5 60 = 300 + 12 = 312
    390 : 312
    = / = 390 / 312 = 4 / 5 = 4 : 5

    2- 5 / 8 2 : 1 / 4 12
    :-

    8 2 + 5 /8= 21 / 8
    4 12 + 1 / 4 = 49 / 4
    = 21 /8 49 / 4
    = 21 /8 4 / 49 = 3 / 14 = 3 : 14

    2 :-
    720 2.4
    .
    :-
    = 2.4 1000 = 2400
    = 2400 - 720 = 1680
    = 720 / 2400 = 72 /240 = 9 /30 = 3 / 10 = 3 : 10
    = 1680 / 720 = 168 / 72 = 21 /9 = 7 / 3

    :-
    1- 3 :
    :- = 2 12 = 24
    3 : 24
    = / = 3 / 24 = 1 / 8 = 1 : 8

    2- 500 : 1.5
    :-
    = 1.5 1000 =1500.0
    500 : 1500
    = / = 500 / 1500 = 5 / 15 = 1 / 3 = 1 : 3

    :-
    :-
    1- 3/4 = / 16
    :-
    =
    = 3 16 /4 = 12

    3 / 4 = / 16 = 16 4 3 = 12 ( )

    2- 5 / 9 = 30 / = / 72

    ) = 54
    = = 40
    = 5 / 9 = 30 / 54 = 40 / 72

    :-
    :
    1- 2.4 : 3.6
    :-
    = / = 2.4 / 3.6
    = 2.4 / 3.6 10 / 10 = 24 / 36 = 4 / 6 = 2 / 3
    = 2 : 3
    2- 250 : 3
    :-
    = 3 1000 = 3000
    = 250 / 3000 = 25 / 300 = 5 / 60 = 1 / 12
    = 1 : 12

    :-
    10 7/5 .

    :-
    = 10 7/5 = 70 /5 = 14















  2. #2
      Eiman
    Jul 2011
    -
    14,750

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