pirwsza gimnazjum. zad.1 za zbioru zadań. Zamień na: B) metry kwadratowe:
400dm2 5000cm kwadratowych 2ha 7a c) ary: 300m kwadratowych 800 dm kwadratowych 45 000cm kwadratowe 18 ha D)
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b)4m 2
0,005m 2
20 000m 2
700m 2
c)3 a
0.08a
1800a
b]
1dm²=0,01m²
400dm²=400×0,01=4m²
1m²=10 000cm²
1cm²=0,0001m²
5 000cm²=5 000×0,0001=0,5m²
1ha=10 000m²
2h=2×10 000=20 000m²
c]
1m²=0,01a
300m²=300×0,01=3a
1a=100m²=1 0 000dm²
1dm²=0,0001a
800dm²=800×0,0001=0,08a
1ar=100m²
1m²=10 000cm²
100m²=1 000 000cm²
1cm²=0,000001a
45 000cm²=45 000×0,000001=0,045a
1ha=100a
18ha=1800a