试题:
知识圣诞树:直接写出得数.
9
16
×
4
9
=
4
3
÷
2
3
=
5
14
÷
5
7
=
3
4
÷
15
16
=
10÷
1
5
=
3
4
×
8
15
=
7
8
×
1
7
÷
1
2
=
9
10
÷
1
2
×
1
3
=

答案:

我来补答
9
16
×
4
9
=
1
4
4
3
÷
2
3
=2
5
14
÷
5
7
=
1
2
3
4
÷
15
16
=
4
5
10÷
1
5
=50
3
4
×
8
15
=
2
5
7
8
×
1
7
÷
1
2
=
1
4
9
10
÷
1
2
×
1
3
=
3
5
 
 
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