Odpowiedzi

2010-03-27T15:48:08+01:00
8/√2 = 8√2 * √2/√2 = 8√2/2 = 4√2
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2010-03-27T15:48:26+01:00
8÷√2= (8√2):(√2*√2)=8√2:2=4√2
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