问题 解答题
直接写得数.
3
4
×
8
15
=
5
7
÷
5
7
=
8
13
÷4=
4
9
=
0.25÷0375=28÷
7
8
=
7
15
÷
2
15
=
1
9
=
12÷
1
5
=
8
13
×
5
7
=
答案

3
4
×
8
15
=
2
5
5
7
÷
5
7
=1
8
13
÷4=
2
13
4
9
=
9
4
0.25÷0375=
2
3
28÷
7
8
=32
7
15
÷
2
15
=
7
2
1
9
=81
12÷
1
5
=60
8
13
×
5
7
=0

单项选择题
单项选择题