问题 解答题
直接写出得数.
75÷4÷2.5=
5.6×
4
7
+1.4×
4
7
=
1
2
÷
1
2
÷
1
6
=
1
7
-
1
7
=
3
4
×
3
4
÷
3
4
×
3
4
=
答案

75÷4÷2.5=7.5;

5.6×

4
7
+1.4×
4
7
=4;

1
2
÷
1
2
÷
1
6
=6;

1
7
-
1
7
=6
6
7

3
4
×
3
4
÷
3
4
×
3
4
=
9
16

单项选择题 A3/A4型题
选择题