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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a)8x-2xy
b)2a^2
C)5ab-a^3b
d)12x-10y
e)-a+6b-2y
f)9x-8y
g)x^2+xy-3x-3y
h)x^2-x-6