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15mm²= 0,15cm²
1cm - 200km
1cm² - 200km· 200km
1cm² - 40000km²
0,15cm² - xkm²
x= 0,15· 40000
x= 6000 km²
zad. 2
1cm - 2km
1cm² - 4km²
14,2cm² - xkm²
x= 14,2· 4
x= 56,8 km²
zad. 3
1cm - 60km
1cm² - 3600km²
xcm² - 312000km²
3600x= 312000 |: 3600
x= 86,6 cm²
zad. 4
1cm - 800km
1cm² - 640000km²
xcm² - 510000000km²
640000x= 510000000 |: 640000
x= 796,8 cm²
zad. 5
62,805cm² - 25122km²
1cm² - xkm²
62,805x= 25122 |: 62,805
x= 400 km²
400km²= 2000000cm
skala:
1:2 000 000
jeśli coś niejasne to pytaj:)