问题 解答题
直接写得数
3
4
×16=
12÷
3
5
=
3
5
×
5
6
=
7
8
+
1
8
=
7
8
=
3
5
÷
9
10
=
5
7
÷
5
7
=
1
2
×
1
3
÷
1
2
×
1
3
=
答案

直接写得数

3
4
×16=12;
12÷
3
5
=20;
3
5
×
5
6
=
1
2
7
8
+
1
8
=
1
8
7
8
=
8
7
3
5
÷
9
10
=
2
3
5
7
÷
5
7
=1;
1
2
×
1
3
÷
1
2
×
1
3
=
1
9
故答案为:12;20;
1
2
1
8
8
7
2
3
;1;
1
9

单项选择题
单项选择题