A) ZAMIEN NA milimetry kwadratowe: 5cm kwadratowe , 17cm kwadratowe, 60cm kwadratowe B) zamien na centymetry kwadratowe: 8 dm kwadratowe , 49 dm kwadratowe , 20 dm kwadratowe C) zamien na metry kwadratowe : 3 ary , 25 arow, 40 arow D) zamien na ary : 6 ha,15ha,20ha
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5 cm kw = 5 x 10mm x 10mm = 500 mm kw
17 cm kw = 17 x 10 x 10 = 1700 mm kw
8 dm kw = 8 x 10 x 10 = 800 cm kw
49 dm kw = 49 x 10 x 10 = 4900 cm kw
20 dm kw = 20 x 10 x 10 = 2000 cm kw
3 ary = 300 m kw
25 arow = 2500 m kw
40 arow = 4000 m kw
6 ha = 600 a
15 ha = 1500 a
20 ha = 2000 a
mysle ze dobrze ;)