问题 解答题
口算.
1
5
=
3
4
×16
=
3
8
×
2
3
=
7
5
=
8
15
÷6
=
3
7
÷
7
3
=
答案

1
5
=1,
3
4
×16
=12,
3
8
×
2
3
=
1
4
7
5
=5,
8
15
÷6
=
4
45
3
7
÷
7
3
=
9
49

单项选择题 A1型题
问答题 简答题