@14KO

14KO

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1) Calcule: (a^2+ab)+(-b^2+ab)-(a^2-b^2
Responda
Calcule: (2X^2+3X-2)+(-2x^2+3x)=
Responda
Calcule: (-2X^2+3X)-(2X^2+3X-2)=
Responda
Reduza os semelhantes (7a^3b-3a-5b)+(2ab^2+a-b)=
Responda
Reduza os semelhantes (3a^2+5ab+2c-2ab)-(-5a^2+5ab)=
Responda
Determine o segmento (AB) x+1+2x-3=
Responda
Calcule: (3x^2+2x-3)+(-7x^3+x^2+x)=
Responda
4) Fatore as diferença de quadrados: a)x^2-4= b)a^2-36= c)y^2-1 d)25x^2-4 e)1/100a^2-1/49=
Responda
Resolva as questões abaixo: a)4x^2=-3x
Responda

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