viet cac bieu thuc sau duoi dang tich:
a, -64+(x-3)\(^3\)
viet cac bieu thuc sau duoi dang tich:
a, -64+(x-3)\(^3\)
viet cac bieu thuc sau duoi dang tong
(x+2y)^3
(2x-y)^3
(_5a-b)^3
CMR bieu thuc sau viet duoc duoi dang tong cac binh phuong cua hai bieu thuc
x2+2(x+1)2+3(x+2)2+4(x+3)2
viet cac bieu thuc sau duoi dang tich;
a,x\(^3\)y\(^3\)+225
viet cac bieu thuc sau duoi dang binh phuong cua mot tong hoac mot hieu
xy^2+(2+xy^2)+10-6x+x^2
Viet moi bieu thuc sau duoi dang 2binh phuong :
a; ( x+ y+4 ) .(x+y-4)
b; (x-y+6).( x+y-6)
c: ( x+2y+3z). (2y+3z-x)
Giup minh vs <3
lop8 Hang dang thuc nhaa .
viet gon bieu thuc sau duoi dang 1 phan thuc :
(x2 -x+1)(x4 -x2 +1)
viet cac bieu thuc sau duoi dang tich:
a,1,24\(^3\)-0,24\(^3\)
b,(a-1)\(^3\)+(a+1)\(^3\)
c, a\(^6\)-b\(^6\)
