问题 解答题
直接写出得数.
2
9
×4=
4
5
×
3
8
=
9
10
=
4
25
×50=
6
5
×
2
3
=
5
8
×
4
25
=
5
12
×
3
10
=
5
12
×
3
20
=
答案

2
9
×4=
8
9
4
5
×
3
8
=
3
10
9
10
=0,
4
25
×50=8,
6
5
×
2
3
=
4
5
5
8
×
4
25
=
1
10
5
12
×
3
10
=
1
8
5
12
×
3
20
=
1
16

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