Odpowiedź :
Zadanie
1 m = 10 dm = 100 cm = 1000 mm
1 m² = 10000 cm²
a = 1500 mm = 150 cm
b = 30 dm = 300 cm
P = a · b
P = 150 · 300 = 45000 cm² = 4,5 m²
Zadanie
1 m = 10 dm = 100 cm = 1000 mm
1 m² = 10000 cm²
a = 1500 mm = 150 cm
b = 30 dm = 300 cm
P = a · b
P = 150 · 300 = 45000 cm² = 4,5 m²