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

Răspuns :

450g=0,45kg
500mg=0.5g=0.0005kg
150g=0.15kg.
700mg=0.7g=.0,0007kg
50g=.0,0050kg.
200mg.=0.2gr=0.0002kg.