问题 解答题
直接写1数.
中×
5
=
1
8
÷
1
8
=
4
5
÷
4
1
=
1
5
÷5÷
1
5
=
1
7
÷
2
21
=
4
×
1
10
=
5
÷25=
1
2
÷
1
4
=
12÷
1
4
=
1
5
-
1
5
=
2
1
-
1
2
=
1
2
×
1
1
÷
1
2
=
答案

5
e
=5,
1
0
÷
1
0
=1,
4
5
÷
4
u
=
u
5
1
5
÷5÷
1
5
=
1
5
u
2
÷
四1
=
e
4
e
×
u
10
=
15
5
e
÷四5=
1
45
1
÷
1
4
=40,
1四÷
u
4
=16,
1
5
-
1
6
=
1
u0
u
-
1
=
1
6
1
×
1
u
÷
1
=
1
u
故答案为:5,1,
u
5
1
5
e
15
1
45
,40,16,
1
u0
1
6
1
u

单项选择题
单项选择题