问题 解答题
口算
1
3
-
1
4
=
3
4
+
5
6
=
5
8
×
24
25
=
2-
5
12
-
7
12
=
1
6
+
3
4
+
5
6
+
1
4
=
3
5
×
15
16
=
答案

1
3
-
1
4
=
1
12
3
4
+
5
6
=
19
12
5
8
×
24
25
=
3
5
2-
5
12
-
7
12
=1,
1
6
+
3
4
+
5
6
+
1
4
=2,
3
5
×
15
16
=
9
16
故答案为:
1
12
19
12
3
5
,1,2,
9
16

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