W załączniku, dziękuje z góry.
(5^7)^-1 * 5^2/ 5^-7 * 5^2 / 5^-5 /(5^-2)^4 / 5^0 = 5^-4 / 1 = 5^-4 = 5^-1
5^-1 = 1/5 = 0,2
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(5^7)^-1 * 5^2/ 5^-7 * 5^2 / 5^-5 /
(5^-2)^4 / 5^0 = 5^-4 / 1 = 5^-4 = 5^-1
5^-1 = 1/5 = 0,2