问题 解答题
直接写出得数.
1
6
×
3
5
=
7
8
×4=
1
7
×
7
8
=
8
5
×
5
12
=
4
9
=
6
11
÷2=
2
7
÷
8
21
=
12
25
×
5
27
=
12÷
3
4
=
1
2
-1÷2=
答案

1
6
×
3
5
=
1
10
7
8
×4=
7
2
1
7
×
7
8
=
1
8
8
5
×
5
12
=
2
3
4
9
=
4
3
6
11
÷2=
3
11
2
7
÷
8
21
=
3
4
12
25
×
5
27
=
4
45
12÷
3
4
=16,
1
2
-1÷2=0.

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