问题 解答题
5
6
×1=
52-42=0.75-0.5=
5
6
×
4
5
=
5
4
÷
7
4
=
125×0.08=
0.5+0.02=
2
7
÷
2
7
=
7
4
÷
5
14
=
0.15×6=12÷0.3=
5
11
=
答案

5
6
×1=
5
6
52-42=9,0.75-0.5=0.25,
5
6
×
4
5
=
2
3
5
4
÷
7
4
=
5
7
125×0.08=10,
0.5+0.02=0.52,
2
7
÷
2
7
=1,
7
4
÷
5
14
=
49
10
0.15×6=0.9,12÷0.3=40,
5
11
=0.

选择题