∵ X= √ 3 -1/2 Y=√ 3+1/2
∴ X + Y= 2√ 3 XY = 3-1/4 = 11/4
又 ∵ (X² +XY+Y² )/(X+Y)
=[(X+Y²)-XY] /(X+Y)
=(X+Y)-XY/(X+Y)
=2√ 3-( 11/4 )/2√ 3
=37√ 3/24
看不懂你那个x+y分之x,你说的是x+y为分母还是y为分母