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2,5 cm[2] = 25 mm x 25 mm = 625 mm[2]
itd.;))
6cm² = 600 mm²
2,5cm² = 250 mm²
1dm² = 10000 mm²
0,007dm² = 70 mm²
b) na centymetry kwadratowe
6 cm²
2,5 cm²
1 dm² = 100 cm²
0,007dm² = 0,7 cm²