问题 解答题
直接写得数.
7
10
-
1
5
=
8÷0.4=
1
3
-
5
24
=
5
7
+
5
14
=
5
9
-
2
5
=
7-6.38=
1
4
+
1
5
=
0.25+
7
8
=
答案

7
10
-
1
5
=
1
2
8÷0.4=20,
1
3
-
5
24
=
1
8
5
7
+
5
14
=
15
14
5
9
-
2
5
=
7
45
7-6.38=0.62,
1
4
+
1
5
=
9
20
0.25+
7
8
=
9
8

单项选择题
单项选择题