A) 2x * (-x) , -3a *(-2) * a * a , y * 2y * 3y , (-x) * (-x) * 3 B) 2xy * ( -x) , -ab * 2b, (-a) do potęgi 2 (-b) do potęgi 2 ab, 2x do potegi 2 (-y)(-x)
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a) 2x*(-x)= -2x^
-3a*(-2)*a*a= 6a*a*a= 6a`
y*2y*3y=6y^
(-x)*(-x)*3=3x
b) 2xy*(-x)= -2x^y
-ab*2b= -2ab^
(-a)^ * (-b)^ *ab= ab^
2x^*(-y)(-x)= 2x^ * xy= 2x`y
^ --- to jest potęga druga
` --- to jest potega trzecia
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