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Efectuează transformările:3 t=? q,25t=? q,8t=? Kl ,14q?kg, 5kg=? hg,7kg=? dag, 13hg=? g, 8dag=? g, 36dag=? kg, 7000g=? kg, 7000dg=Hg, 6800cg=?mg, 2300dg=? hg, 20000cg=? mg,12400=? hg