问题 解答题
2
5
÷8=
3
4
×
8
9
=
34×
2
17
=
7
10
=
3
8
÷
5
4
=
3
5
×
3
4
=
1-
1
2
×
1
5
=
10
3
×
1
2
×
1
5
=
答案

2
5
÷8=
1
20
3
4
×
8
9
=
2
3
34×
2
17
=4
7
10
=
10
7
3
8
÷
5
4
=
3
10
3
5
×
3
4
=
9
20
1-
1
2
×
1
5
=
9
10
10
3
×
1
2
×
1
5
=
1
3

填空题
名词解释