问题 解答题
直接写出得数.
2
9
×3=
3
10
=
4
5
×
3
8
=
1
1
3
×
3
4
=
7
12
+
5
6
=
9
14
×
14
15
×
5
9
=
7
18
=
7
9
×
1
7
=
4
9
×1
1
2
=
17-7
4
8
=
答案

2
9
×3=
2
3
3
10
=
3
2
4
5
×
3
8
=
3
10
1
1
3
×
3
4
=1,
7
12
+
5
6
=
17
12
9
14
×
14
15
×
5
9
=
1
3
7
18
=0,
7
9
×
1
7
=
1
9
4
9
×1
1
2
=
2
3
17-7
4
8
=9
1
2

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