问题 解答题
直接写出得数.
2005+620=1-0.09=0.45×101=2÷0.02=
1
4
×
2
3
=
4
15
÷
8
35
=
2
3
+
1
5
=
5-
2
5
=
1
7
÷7×
1
7
=
4
5
×
3
5
=
4.8×11-4.8=1-
4
5
÷
4
5
=
答案

2005+620=2625;1-0.09=0.91;0.45×101=45.45;2÷0.02=100;
1
4
×
2
3
=
1
6
4
15
÷
8
35
=1
1
6
2
3
+
1
5
=
13
15
5-
2
5
=4
3
5
1
7
÷7×
1
7
=
1
49
4
5
×
3
5
=
3
4
4.8×11-4.8=48;1-
4
5
÷
4
5
=0.

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