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Pöördkeha pindala ja ruumala arvutamine
Ülesanne on 12.klassi L.Lepmann, T.Lepmann, K.Velsker Matemaatika õpikust lk. 151, ülesanne 631
Tööleht sobib ka ülesande 726 näiteülesandeks (Õpik L.Lepmann, T.Lepmann, K.Velsker Matemaatika 12.klass)