Odpowiedzi

2009-12-16T15:46:07+01:00
2009-12-16T15:45:49+01:00
500 * 1mm² = 500mm²
1cm² = 10mm * 10mm = 100mm²
500mm² = 5cm²
2009-12-16T15:47:24+01:00
500 * 1mm² = 500mm²

500mm² = 5cm²