Zadanie z ksiązki MATEMATYKA Z PLUSEM.
12/121
a) zamień na ary
0,02 ha , 3200 m [2] , 0,5 km [2]
b) zamien na hektary
320000 m [2] , 800 a , 0,7 km[2]
c)zamien na metry kwadratowe
250 a , 0,4 ha , a , 2,7 ha
d) zamień na km kwadratowe
150 ha , 1000000 a , 45 ha
[2] -metry, kilometry kwadratowe
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a) 0,02ha=2 a
3200m [2]=32a
0,5 km [2]= 50 ha=5000a
b) 320000m[2]=3200a =32 ha
800 a=8 ha
0,7 km [2]=70 ha
c) 250a= 25000m [2]
o,4ha= 40 a= 4000m [2]
1/4a= 25m
2,7 ha=27 a=2700 m[2]
d) 150ha=1,5 km [2]
1000000a= 10000ha= 100km[2]
45 ha=0,45 km [2]