a) [latex]1mm^2=0,01cm^2[/latex] [latex]1dm^2=100cm^2[/latex] [latex]1m^2=10000cm^2[/latex] [latex]300mm^2=(300 cdot 0,01)cm^2=3cm^3 [/latex] [latex]0,4dm^2=(0,4 cdot 100)cm^2=40cm^2[/latex] [latex]0,012m^2=(0,012 cdot 10000)cm^2=120cm^2[/latex] [latex]240mm^2=(240 cdot 0,01)cm^2=2,4cm^2[/latex] [latex]12dm^2=(12 cdot 100)cm^2=1200cm^2[/latex] [latex]1,03m^2=(1,03 cdot 10000)cm^2=10300cm^2[/latex] [latex]175000mm^2=(175000 cdot 0,01)cm^2=1750cm^2[/latex] [latex]21,15dm^2=(21,15 cdot 100)cm^2=2115cm^2[/latex] [latex]12,5m^2=(12,5 cdot 10000)cm^2=12500cm^2[/latex] ====================== b) [latex]1cm^2=0,0001m^2[/latex] [latex]1dm^2=0,01m^2[/latex] [latex]1ha=10000m^2[/latex] [latex]1km^2=1000000m^2[/latex] [latex]1a=100m^2[/latex] [latex]452000cm^2=(452000 cdot 0,0001)m^2=45,2m^2 [/latex] [latex]7185dm^2=(7185 cdot 0,01)m^2=71,85m^2[/latex] [latex]0,2ha=(0,2 cdot 10000)m^2=2000m^2[/latex] [latex]42,5a=(42,5 cdot 100)m^2=4250m^2 [/latex] [latex]1,5km^2=(1,5 cdot 1000000)m^2=1500000m^2 [/latex] [latex]18000cm^2=(18000 cdot 0,0001)m^2=1,8m^2[/latex] [latex]164000dm^2=(164000 cdot 0,01)m^2=1640m^2[/latex] [latex]1,05ha=(1,05 cdot10000)m^2=10500m^2 [/latex] [latex]3,25a=(3,25 cdot 100)m^2=325m^2 [/latex] [latex]0,07km^2=(0,07 cdot 1000000)m^2=70000m^2[/latex] ====================== c) [latex]1m^2=0,01a[/latex] [latex]1ha=100a[/latex] [latex]1km^2=10000a[/latex] [latex]14m^2=(14 cdot 0,01)a=0,14a[/latex] [latex]12730m^2=(12730 cdot 0,01)a=127,3a [/latex] [latex]1,35ha=(1,35 cdot 100)a=125a[/latex] [latex]0,007km^2=(0,007 cdot10000)a=70a [/latex] [latex]2700m^2=(2700 cdot 0,01)a=27a [/latex] [latex]0,4ha=(0,4 cdot 100)a=40a[/latex] [latex]12,5ha=(12,5 cdot 100)a=1250a[/latex] [latex]1,2 km^2=(1,2 cdot 10000a)=12000a[/latex]
proszę o odpowiedź na jutro ;) A i najlepiej gdyby odpowiedź była uzasadniona
Zamień centymetry kwadratowe
a) 300mm2, 0,4dm2, 0,012m2, 240mm2, 12dm2, 1,03m2, 175000mm2, 21,15dm2, 12,5m2
b)Zamień na metry2 452000cm2, 7185dm2, 0,2ha, 42,5a, 1,5km2, 18000cm2, 164000dm2, 1,05ha, 3,25a, 0,07km2
c) Zamień na ary 14m2, 12730m2, 1,35ha, 0,007km2, 2700m2, 0,4ha, 12,5ha, 1,2 km2
Bardzo kogoś wynagrodzę 45 punktów
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