问题 解答题
直接写得数.
3
4
×
2
5
=
6
7
÷2
=
2
7
×14
=
10×
4
5
=
10
9
÷
9
8
=
2
7
×2
=
7
24
×
3
14
=
4
3
÷
3
4
=
1
5
÷
2
3
=
1
7
×
3
4
=
答案

3
4
×
2
5
=
3
10
6
7
÷2
=
3
7
2
7
×14
=4,
10×
4
5
=8,
10
9
÷
9
8
=
80
81
2
7
×2
=
4
7
7
24
×
3
14
=
1
16
4
3
÷
3
4
=
16
9
1
5
÷
2
3
=
3
10
1
7
×
3
4
=
3
7

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