ergasies_5_6

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  • 7/29/2019 ergasies_5_6

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    180 , . 5.000 . .

    .

    :

    : 40000 x 0,4 = 16000.. : 40000 x 0.7 = 28000..

    , 6 150 . , , 6 ( ) 40000 / 6 = 6667..

    ( 90 x 74. ), , , :

    6667 x 0.4 = 2667.. , 4000.. ,

    6667 x 0.7 =4667.. . ,

    , :4667 / 3 = 1555.. (

    .)

    .

    31..

    ( ), :

    2 2 ( + = 900 27x +33x = 25.000.. ( )) 780 120 .

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