1. Suma kwadratów liczby 1,25 i jej odwrotności wynosi?
1,25 = 5/4
odwrotnośc liczby 5/4 = 4/5
(5/4)²+(4/5)² = 25/16+16/25 = 625/400+256/400 = 881/400 = 2 81/400
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1,25 = 5/4
odwrotnośc liczby 5/4 = 4/5
(5/4)²+(4/5)² = 25/16+16/25 = 625/400+256/400 = 881/400 = 2 81/400