问题 解答题
直接写出得数.
1
4
+
1
4
=
1
7
×
14
15
=
7
8
-
3
8
=
2
7
÷7=
1
2
÷
1
3
=
3
4
×
2
5
×
4
3
=
3
8
+8×
1
8
=
55×
1
11
=
1
2
×
1
3
÷
1
2
=
7
12
+
1
8
=
答案

1
4
+
1
4
=
1
2
1
7
×
14
15
=
2
15
7
8
-
3
8
=
1
2
2
7
÷7=
2
49
1
2
÷
1
3
=
3
2
3
4
×
2
5
×
4
3
=
2
5
3
8
+8×
1
8
=4
55×
1
11
=5
1
2
×
1
3
÷
1
2
=
1
3
7
12
+
1
8
=
1
8

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