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Leoaica2006
a fost răspuns

Efectuatii: 100ori{2,856-10ori[0,07+0,1ori(2,4-0,48)]}

Răspuns :

Streinu
=100ori[2,856-10ori(0,07+0,1ori1,92)]=100ori[2,856-10ori(0,07+0,192=
=100ori(2,856-10ori0,262)=100ori(2,856-2,62)=100ori0,236=23,6

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