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BrianaIoana
a fost răspuns

1734- {214*2+2*[126*4-39*3-896/(420*14-419*14)]}

Răspuns :

Sanduurzica
1734-{214×2+2×[126×4-49×3-896:(420×14-419×14)]}=
1734-{428+2×[504-147-896:(5880-5866)]}=
1734-{428+2×[357-896:14]}=
1734-{428+2x[357-64]}=
1734-{428+2×293}=
1734-{428+586}=
1734-1014=720

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