October 2018 1 30 Report

1.zapisz wyrażenie w najprostrzej postaci ;

a)x^-3y^-2z^5/z^-2y^-3z^6

b)(x^-2y/z^3)^-3:(x^5y^-2/z^3)^-1

2.Wykonaj działanie;

a)3^-2/2^5*2^4/3^-1

b)7^-1(7^2+7^0)

c)1^-2+2^-2/(2/3)^-2+(-4)^-1*5+2^-2

/- to jest ułamek

^potęga


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