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1cm - 2000cm
1cm - 20m
20mm = 2 cm
30mm = 3 cm
w rzeczyeistości
2 cm - 2* 20m = 40m
3cm - 3*20 = 60m
P - 60 * 40 = 2400m2
Odp:a)
30mm * 2000 = 60 000 mm
40 000 mm = 4 000 cm
60 000 mm = 6 000 cm
4 000 cm = 40 m
6 000 cm = 60 m
P=a*b
P=40m*60m
P=2400m²
2400m² = 24 a
Odp: a ;)
30mm=3cm
2cm x 2000=4000cm=40m
3cm x 2000=6000cm=60m
40m x 60m=2400m2=24a
odp.a (x-znak mnożenia)