试题:
2.5+3.5=
7.05-0.5=
3.2×0.5=
1÷0.01=
1
6
+
5
6
=
2-
3
4
=
5
9
×
3
25
=
5
7
×14=

答案:

我来补答
2.5+3.5=6;
7.05-0.5=6.55;
3.2×0.5=1.6;
1÷0.01=100;
1
6
+
5
6
=1;
2-
3
4
=1
1
4

5
9
×
3
25
=
1
15

5
7
×14=10.
 
 
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