问题 解答题
直接写出结果.
2005+620=
1-0.09=
2÷0.02=0.25×8.5×4=
1
4
×
2
3
=
4
15
÷
8
15
=
2
3
+
1
5
=
5-
2
5
=
答案

2005+620=26251-0.09=0.91
2÷0.02=1000.25×8.5×4=8.5
1
4
×
2
3
=
1
6
4
15
÷
8
15
=
1
2
2
3
+
1
5
=
13
15
5-
2
5
=4
3
5

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