问题 解答题
3
8
×4
=
7
18
×
9
77
=
13
18
×1
=
27×
16
81
=
1
5
×
1
4
=
1
8
×6
=
1
2
+
1
4
=
5
12
×
3
5
=
5
6
×
9
10
=
13
29
×0
=
3
4
×
2
3
=
2
5
×
2
3
=
答案

3
8
×4
=
3
2
7
18
×
9
77
=
1
22
13
18
×1
=
13
18
27×
16
81
=
16
3
1
5
×
1
4
=
1
20
1
8
×6
=
3
4
1
2
+
1
4
=
3
4
5
12
×
3
5
=
1
4
5
6
×
9
10
=
3
4
13
29
×0
=0
3
4
×
2
3
=
1
2
2
5
×
2
3
=
4
15

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