PILNE!! POTRZEBUJE NA ZALICZENIE!! Wykonaj działania:
-2,4xY^2+(3.2xy^2-2.8x^2y)-(0.8xy^2+x^2y)=
=-2.4xy^2+3.2xy^2-2.8x^2y-0.8xy^2-x^2y=
=-3.8x^2y
-2,4xy^2+3,2xy^2-2,8x^2y-0,8xy^2-x^2y
0,8xy^2-0,8xy^2-2,8x^2y-x^2y
-2,8x^2y-x^2y
-3,8x^2y
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-2,4xY^2+(3.2xy^2-2.8x^2y)-(0.8xy^2+x^2y)=
=-2.4xy^2+3.2xy^2-2.8x^2y-0.8xy^2-x^2y=
=-3.8x^2y
-2,4xy^2+3,2xy^2-2,8x^2y-0,8xy^2-x^2y
0,8xy^2-0,8xy^2-2,8x^2y-x^2y
-2,8x^2y-x^2y
-3,8x^2y