问题 解答题
12×
3
4
=
5
6
=
1-
3
10
=
2
5
×
1
6
=
1
8
×5=
42×
9
42
=
1
4
-
1
5
=
2
15
-
1
5
=
3
4
+
3
4
=
1
3
-
1
5
=
答案

12×
3
4
=9
5
6
=
5
3
1-
3
10
=
7
10
2
5
×
1
6
=
1
15
1
8
×5=
5
8
42×
9
42
=9
1
4
-
1
5
=
1
20
2
15
+
1
5
=
1
3
3
4
+
3
4
=1
1
2
1
3
-
1
5
=
2
15

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