问题 解答题
直接写出得数.
1-0.09=
0.45×101=2÷0.02=0.25×0.7×0.4=
2
3
×
1
2
=
5-
3
5
=
4
15
÷
8
35
=
2.72+3-2.72+3=
答案

1-0.09=0.91,0.45×101=45.45,2÷0.02=100,0.25×0.7×0.4=0.07,
2
3
×
1
2
=
1
3
5-
3
5
=4
2
5
4
15
÷
8
35
=
7
6
2.72+3-2.72+3=6.

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