1) =(x^2)^3+(y^2)^3=(x^2+y^2)(x^4-x^2y^2+y^4)
2) =(a-b+b)((a-b)^2-(a-b)b+b^2)=a(a^2-2ab+b^2-ab+b^2+b^2)=a(a^2-3ab+3b^2)
3) = n^3+(1/2)^3=n^3+1/8
Ответ: 5^8*7^8>(5*7)^8=35^8.
2:3/5+3/5:2+3/2:6+6:3/2=2*5/3+3/5*1/2+3/2*1/6+6*2/3=10/3+3/10+3/12+12/3=22/3+3/12<span>+3/10</span>=88/12+3/12+3/10=91/12+3/10=455/60+18/60=473/60= 7 53/60
(4-y-1)(4+y+1)=(3-y)(5+y)
(p-9)(p+9)
(b-1,1)(b+1,1)
(7-2+x)(7+2-x)=(5+x)(9-x)