问题 解答题
小电脑.
24
35
÷28=
11
42
×
21
22
=
13
48
÷
39
64
=
16×
19
40
=
答案

24
35
÷28,

=

24
35
×
1
28

=

6
245

11
42
×
21
22

=

1
4

13
48
÷
39
64

=

13
48
×
64
39

=

4
9

④16×

19
40

=

38
5

单项选择题
单项选择题