关注优题吧，注册平台账号.
4 - 9/4 ÷ 15/4
原式 = 4 - 9/4 × 4/15
= 4 - 3/5
=
57 ÷ [219 - (213 - 94)]
1/8 × 20% ÷ 1/8 × 20% =
15/13 - (7/11 + 2/13)
48 × 12.5% =
8/25 ÷ 2/5 =
5/9 × 3/10 =
1/4 - 1/7 =
56 ÷ 7/8 =
2.4 × 0.5 =
96 - 0.6 =
3与2.5的积加上7.2除以的商，和是多少？
54/17减去它的1/3所得的差除以54/17，商是多少？
3/4×(1/2 - 1/6) + 7/8
3/8÷[(11/12-0.75)×3/5]
______÷16=21/______=0.875=______%=7:______.
7-6×5/6+1/2
3/4÷[6/7×(3/4-1/6)]
6.3÷0.21×(4-1.2)
2.35+2.65×0=
2+8/5×25/24
江苏省盐城市东台市乘除法运算
山东省聊城市乘除法运算
5/9×2÷5/9×2
18.1-5.7-4.3+1.9
湖南省长沙市乘除法运算
