OBLICZ:
(5 ⁻¹ + 5)² - (1/25)⁻¹
(1/5+5)x^{2} - 25=(1/5 +5)x^2 -25= 1/25+25-25=1/25
(5 ⁻¹ + 5)² - (1/25)⁻¹=(1/5^1+5)^2-25^1=(1/5+25/5)^2-25=(26/5)^2-25=676/25-25=676/25-625/25=1/25
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(1/5+5)x^{2} - 25=(1/5 +5)x^2 -25= 1/25+25-25=1/25
(5 ⁻¹ + 5)² - (1/25)⁻¹=(1/5^1+5)^2-25^1=(1/5+25/5)^2-25=(26/5)^2-25=676/25-25=676/25-625/25=1/25