Zamień na jednostki :
124 dm2 = (?) cm2
42 dm2 = (?) mm2
130 m2 = (?) dm2
71 m2 = (?) cm2
6,5 m2= (?) dm2
15,5 dm2 = (?) mm2
Jakie jest pole rombu o podstawie 3 dm i wys. 10 cm?
a. 7 cm2 b. 3 dm2 c. 13cm 2 d. 4 dm2
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124dm²=12400cm²
42dm²=420000mm²
130m²=13000dm²
71m²=710000cm²
6,5m²=650dm²
15,5dm²=155000mm²
b. 3dm²
124dm2=1240cm2
42dm2=4200mm2
130m2=1300dm2
71m2=71000cm2
6,5m2=6,50dm2
15,5dm2=15,500mm2
b)3dm2