1 Найдите отношение величин:
а) 1,5 м и 30 см;
б) 1 кг и 250 г;
2 Верна ли пропорция:
а) 2,04 : 0,6 = 2,72 : 0,8;
б) 0,0112 : 0,28 = 0,204 : 0,51?
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