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Motanu21
a fost răspuns

7.exprima in grame si in kilograme urmatoarele mase: 450 g; 500 mg; 150 g; 700 mg; 50 g; 200 mg.

Răspuns :

450g=0,45kg
500mg=50g ; 0,05kg
150g=0,15kg
700mg=70g ; 0.07 kg
50g=0,05 kg
200mg=20g ; 0.02kg

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