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2014-05-11T12:51:53+03:00
12800 g + 3700dag = 128hg+ 370hg =498 hg  
3400 cg + 6000 mg = 34g + 6g =40 g  
800 hg - 500 dag = 80kg - 5kg = 75kg  
15 t - 140 kg = 150q - 14q = 136q
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