2÷【(5/6-2/9)*1/11】=2÷【(45/54-12/54)*1/11】=2÷【11/18*1/11】=2÷1/18=2*18=36
2/((5/6-2/9)×1/11)= 2/((15/18-4/18)×1/11)= 2/((11/18)×1/11)= 2×18=36