问题 解答题
计算.
4
3
×
6
7
=
3
4
×
4
3
=
5
9
×
12
5
=
7
8
×
4
21
=
3
11
×
22
9
=
5
12
×
2
3
=
4
7
×
1
8
=
2
3
×
5
12
=
答案

4
3
×
6
7
=
8
7
3
4
×
4
3
=1
5
9
×
12
5
=
4
3
7
8
×
4
21
=
1
6
3
11
×
22
9
=
2
3
5
12
×
2
3
=
5
18
4
7
×
1
8
=
1
14
2
3
×
5
12
=
5
18

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