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Alege raspunsul corect! O cutie cantareste 0.25 kg.120 de cutii de acelasi fel vor cantari: a) 6kg; b)300kg; c)60kg: d)30kg

Răspuns :

[tex]1 \: cutie \: ..... \: 0.25 \: kg \\ 120 \: cutii \: ..... \: x \: kg[/tex]

[tex]x = \frac{120 \times 0.25}{1} = 120 \times 0.25 = 30 \: kg[/tex]

[tex] = > \: d)30 \: kg[/tex]