问题 解答题
口算显身手!
3
8
×
6
5
=
1
3
×
4
5
=
7
15
×3
=
3
5
×
1
3
=
7
9
×0
=
1
3
×
1
8
=
2
7
×
1
3
=
2
3
×
2
7
=
7
15
×
2
14
=
答案

3
8
×
6
5
=
9
20
1
3
×
4
5
=
4
15
7
15
×3
=
7
5
3
5
×
1
3
=
1
5
7
9
×0
=0
1
3
×
1
8
=
1
24
2
7
×
1
3
=
2
21
2
3
×
2
7
=
4
21
7
15
×
2
14
=
1
15

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单项选择题 A1/A2型题