Ответы и объяснения

2014-01-09T17:34:20+04:00
-a^3+b^3=b^3-a^3=(b-a)*(b^2+ab+a^2) -a^6+1/8=(1/2)^3-(a^2)^3=(1/2-a^2)*(1/4+1/2*a^2+a^4) x^6+27=(x^2)^3=3^3=(x^2+3)*(x^4-3x^2+9) -64-y^3=-(4^3+y^3)=-(4+y)*(16-4y+y^2) m^6+n^6=(m^2+n^2)*(m^4-m^2*n^2+n^4)