(1)175%+[1/4]=2, (2)10÷10%=100, (3)[4/7]-[4/7]÷4=[3/7], (4)[1/4]+[3/4]×[1/4]=[7/16],
(5)1[3/2]×[2/5]+[1/4]÷[3/4]=1[1/3], (6)[5/12+
2
3−
7
36]=[8/9], (7)(9.9+[9/10])÷0.9=12, (8)0.9+99×0.9=90,
(9)[2/5]×[1/2]÷[2/5]×[1/2]=[1/4], (10)(9.3×[5/6]-7.3)÷[9/4]=0.2.