Zamień: a) na milimetry kwadratowe: 6cm2 , 2,5cm2 , 1dm2 , 0,007dm2. b) na centymetry kwadratowe: 7dm2 , 0,6dm2 , 2m2 , 0,005m2. 2 na końcu to kwadratowe.PILNE!
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a)
6cm²=600mm²
2,5cm²=250mm²
1dm²=10000mm²
0.007dm²=70mm²
b)
7dm²=700cm²
0.6dm²=60cm²
2m²=20000cm²
0.005m²=50cm²
a)( 1 cm2 = 10000 mm2)
6cm2= 60000mm2
2.5cm2= 25000
(1 dm2 = 100 000 000 mm2)
1dm2=100 000 000
0,007dm2=700 000mm2
b)(1 dm2 = 10000 cm2)
7dm2= 70000cm2
0,6dm2= 6000cm2
2m2= 2 000 000
0,005m2=5000cm2