问题 解答题
直接写得数
1
2
×
4
3
=
8
9
÷
2
3
=
3
16
×
4
15
=
13
19
÷
39
38
=
4
5
=
7
8
×6÷
7
8
=
2
5
+6×
3
5
=
1
8
+
1
4
)×16=
3
10
×
2
9
=
24%×5=
答案

1
2
×
4
3
=
2
3
8
9
÷
2
3
=
4
3
3
16
×
4
15
=
1
20
13
19
÷
39
38
=
2
3
4
5
=5,
7
8
×6÷
7
8
=6,
2
5
+6×
3
5
=6,
1
8
+
1
4
)×16=6,
3
10
×
2
9
=
1
15
24%×5=1.2.

选择题
问答题 简答题