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ME AJUDEM PLSSS!!!!!! ;-;
a) (20x^5) : (4x^3)=
b) (63x^4y^3) : (9xy)=
c) (-60a^5b^3) : (-15a^2b)=
d) (+18x^4) : (-3x^2)=
e) (2/3x^2y^3) : (10/3xy^2)=​