问题 解答题
直接写出得数.
5
16
×
8
15
=
17
2
×
6
17
=
5
8
×
7
10
=
5
6
×
30
50
=
99
66
×
22
33
=
8
9
÷
4
9
=
13
15
÷13
=
1
10
÷
1
100
=
9
25
÷
3
5
=
3
4
÷
3
5
=
答案

5
16
×
8
15
=
1
6
17
2
×
6
17
=3
5
8
×
7
10
=
7
16
5
6
×
30
50
=
1
2
99
66
×
22
33
=1
8
9
÷
4
9
=2
13
15
÷13
=
1
15
1
10
÷
1
100
=10
9
25
÷
3
5
=
3
5
3
4
÷
3
5
=
5
4

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