-3(1/2x^3-1/3y^3+1/6)+2(1/3x^3-1/2y^3+1/4) 合并同类项

问题描述:

-3(1/2x^3-1/3y^3+1/6)+2(1/3x^3-1/2y^3+1/4) 合并同类项

-3(1/2x^3-1/3y^3+1/6)+2(1/3x^3-1/2y^3+1/4)
=-3/2x³+y³-1/2+2/3x³-y³+1/2
=-5/6x³