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Sagot :

RICO13

masa' alkhayr, مساء الخير

15kg -> 12dh

q kg   -> P dh

a) P= (12/15)q  

b) 14 = (12/15)q

    14 / (12/15) = q

    (14 * 15)/12 = q

    q   = 17.5 Kg

tahaqaq (تحقق) : (12/15)*17.5 = 14 dh

hza saeidaan

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