StA_verkefni_02_lausnir[1]

StA_verkefni_02_lausnir[1] - Hskli slands Viskiptaskor...

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Unformatted text preview: Hskli slands Viskiptaskor hausti 2009 Viskipta- og hagfrideild Strfri A fyrir viskiptafringa. Heimaverkefni 2 Lausnir Fyrstu 7 dmin eru upprifjunarefni, sum ung en flest ltt. Liggi samt ekki of lengi yfir eim. 1. Einfaldi eins og unnt er: a) 6 5 7 4 6 1 4 5 6 1 1 5 4 5 6 7 7 4 a a a = = b) 1 4 5 1 3 4 5 20 45 48 50 163 3 3 5 6 3 4 5 6 60 60 4 a a a a a a a + + + + + + = = = c) ( 29 ( 29 ( 29 2 3 1 2 7 2 2 3 6 3 7 2 6 3 3 7 4 : 2 4 2 2 2 a a a a a a a a------- + +- = = = 2. Finni x eftirfarandi jfnum: a) 2 1 ln53049 7 53049 2,795 2 ln 7 x x = = = b) 3 1 3 1 3 1 3 1 4 1 1 ln81 1 ln81 5 3 81 3 1 1 3 81 ln3 3 ln3 3 1 5 3 3 3 3 1 4 81 3 x x x x x x x x---- + +- = = -- = = + = -- - = = + = - = 3. Finni t fr ln 3:3....
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StA_verkefni_02_lausnir[1] - Hskli slands Viskiptaskor...

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