计算(x分之1)-(3x分之2)+(3x-2分之x)

---

---

=3/3x-2/3x+x/消哪(3x-2)
=1/3x+x/行桥返(3x-2)
=(3x-2+3x²)/3x(3x-2)
=(3x²+3x-2)/档饥(9x²-6x)

---