Răspuns :
3,25 dm² + 0,0255m² - 1835mm² = 325cm² + 255cm² - 18,35cm² = 561,65cm²
3,25 dm^2 = 325 cm^2
0,0255 m^2 = 255 cm^2
1835 mm^2 = 18,35 cm^2
580 - 18,35 = 561,65 cm^2
0,0255 m^2 = 255 cm^2
1835 mm^2 = 18,35 cm^2
580 - 18,35 = 561,65 cm^2