October 2018 1 18 Report

Zapisz w jak najprostszej postaci:

a) 3x -2xy + 5x=

b) 7a^2 + 2a^2x - 9a^2 + 2a^2=

c) 3ab - a^3b - 8ba=

d) 5x - 7y - (3y-7x)=

e) -(a-2b) - 2(a-2b)=

f) 3(x-2y) - 2(y-3x)=

g) (x-3)(x+y)=

h) (x+2)(x-3)=

Zapisz w postaci jednej potęgi:

a) (6^3)^4 * (6^2)^3=

b) (7^2)^5 * (7^5)^2=

c) (5^8)^7 : (5^6)^8=

d) 7^-5 * 7^-6=

e) 2^-10 * 2^-6=


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