问题 解答题
直接写出得数
2
5
+
3
5
=
1
7
+
1
11
=
3
8
-0.125=
5
6
-
5
13
=
1
4
+0.3=
10-
1
5
=
1
7
×
1
11
=
2
5
×
3
5
=
5
6
×
5
13
=
10×
1
5
=
答案

2
5
+
3
5
=1,
1
7
+
1
11
=
18
77
3
8
-0.125=0.25,
5
6
-
5
13
=
35
78
1
4
+0.3=0.55,
10-
1
5
=9.8,
1
7
×
1
11
=
1
77
2
5
×
3
5
=
6
25
5
6
×
5
13
=
25
78
10×
1
5
=2.

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