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1354 + {386+[48+2X(24x5 - 16x5)]}


Răspuns :

24×5=120

16×5=80

120-80=40

386+40=426

426+1354=1780

La revedere

1354 + {386+[48+2x(24x5 - 16x5)]} =1354 + [386+(48+80)]=1354 + 514= 1868