问题 解答题
直接写出得数.
3
5
×
5
9
=
5
8
=
3
7
×1
=
5
12
×
5
4
=
3
8
÷3
=
12
41
÷4
=
1
5
÷7
=
9
11
÷7
=
答案

直接写出得数.

3
5
×
5
9
=
1
3
5
8
=2.5;
3
7
×1
=
3
7
5
12
×
5
4
=
25
48
3
8
÷3
=
1
8
12
41
÷4
=
3
41
1
5
÷7
=
1
35
9
11
÷7
=
9
77

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