2x+3的绝对值+（x-3y+4）的2次方=0
2x+3=0
x=-3/2
将x=-3/2代入x-3y+4=0
得-3/2-3y+4=0
3y=5/2
y=5/6
(y-1)^2
=(5/6-1)^2
=(-1/6)^2
=1/36