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
=______;
3
4
+
3
4
=______;
2
7
-
2
7
=______.
答案

2
5
+
3
5
=1;
1
7
+
1
11
=
18
77
3
8
-0.125=
1
4
5
6
-
5
13
=
35
78
1
4
+0.3=0.55;
10-
1
5
=9
4
5
3
4
+
3
4
=
3
2
2
7
-
2
7
=0.
故答案为:1,
18
77
1
4
35
78
,0.55,9
4
5
3
2
,0.

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