问题 解答题
直接写得数.
3
16
×8=

7
12
÷
7
6
=

3
8
×
4
9
=

11
6
=
2
3
÷
2
3
=
21×
5
7
=
1-
1
4
÷
1
4
=
7
10
×
5
21
=
答案

3
16
×8=
3
2
7
12
÷
7
6
=
1
2
3
8
×
4
9
=
1
6
; 6÷
11
6
=
36
11

2
3
÷
2
3
=1;21×
5
7
=15; 1-
1
4
÷
1
4
=0;
7
10
×
5
21
=
1
6

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