za 12 str 121 matematyka z plusem kl1
a)Zamień na ary:
0,02ha
3200m2
0,5km2
b)zamien na ha
320000m2
800a
0,7km2
c)zamień na metry kwadratowe
250a
0,4ha
1/4a
2,7 ha
d)Zamień na kilometry kwadratowe
150ha
1000000a
45ha
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3200m2-32a
0,5km2-
b
320000m2-
800a-8ha
0,7km2
c
250a-25000m2
0,4ha-4000m2
1/4a-