题目内容

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
=
5
8
+
1
3
=
0.22×0.5=
10-4.8-3.2=
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

5
8
+
1
3
=
23
24

0.22×0.5=0.11;
10-4.8-3.2=2.
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