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Cum se calculeaza 450mm+0,000255cm. In. M

Răspuns :

450 mm =?m
1 m=1000 mm
450 mm =450 : 1000 =0,45 m
0,000255 cm=?m
1 m=100 cm
0.000255 cm=0.000255 :100=0.00000255
0.45 + 0.00000255 = 0.45000255 m