问题 解答题
直接写出得数.
5
8
×
1
4
=
100×0.1%=
3.2×
1
2
=
2
7
×7÷
2
7
×7
=
1.75+0.25=
2
5
=
1
1
2
÷0.15
=
2
5
-
2
5
÷2
=
答案

5
8
×
1
4
=
5
32
100×0.1%=0.1,
3.2×
1
2
=1.6,
2
7
×7÷
2
7
×7
=49,
1.75+0.25=2,
2
5
=
5
2
1
1
2
÷0.15
=10,
2
5
-
2
5
÷2
=4
4
5

单项选择题
单项选择题