5.6-6/13÷9/26-2/3=5.6-6/13*26/9-2/3=5.6-4/3-2/3=5.6-2=3.6希望能帮到你学习进步
5.6-6/13÷9/26-2/3=5.6-6/13×26/9-2/3=5.6-4/3-2/3= 3又3/5
