问题 解答题
直接写得数
1
2
×8=
1
4
-
1
5
=
1
6
÷3=
21×
3
14
=
1
8
=
2
7
÷
5
7
=
9
10
×
5
6
=
2
3
+
2
7
=
答案

1
2
×8=4;
1
4
-
1
5
=
1
20
1
6
÷3=
1
18
21×
3
14
=4.5;
1
8
=16;
2
7
÷
5
7
=
2
5
9
10
×
5
6
=
3
4
2
3
+
2
7
=
20
21

单项选择题
单项选择题 A1/A2型题