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a)Scrieti ca suma,dupa unitatile de masura exprimate de fiecare ordin,apoi,marimile:642g,1523g,7321kg,2842kg,823dg,2105g
b)Exprimati in unitatile mai mici:5q 75kg;30t 8q 6kg;3kg 7hg 5g;2kg 6hg 3dag 8g.